Tag: Serotonergic

5-HTPLP [FBbt_00110945]

Adult serotonergic LP neuron whose cell body is located in the cell body rind of the lateral protocerebrum, anterior to the optic tract and posterior to the LP2 cluster (Valles and White, 1988; Giang et al., 2011. It arborizes in the ventrolateral protocerebrum and projects its axon centrally into the midbrain (Valles and White, 1988; Xu et al., 2016. There are approximately two of these cells per hemisphere (Giang et al., 2011. (Giang et al., 2011, Valles and White, 1988, Xu et al., 2016)

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5-HTPLP01_R (FlyEM-HB:1324365879) [VFB_jrchjrch]

tracing status-Roughly traced, cropped-False [5-HTPLP01_R (FlyEM-HB:1324365879); focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; is part of; female organism; adult serotonergic PLP neuron; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain]

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5-HTPMPD01_R (FlyEM-HB:297230760) [VFB_jrchjrcj]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; adult serotonergic PMPD neuron; neuronbridge; is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; 5-HTPMPD01_R (FlyEM-HB:297230760)]

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5-HTPMPD01(PDM22)_L (FlyEM-HB:297908801) [VFB_jrchjrci]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; 5-HTPMPD01(PDM22)_L (FlyEM-HB:297908801); adult serotonergic PMPD neuron; neuronbridge; is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain]

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5-HTPMPV [FBbt_00110937]

Adult serotonergic neuron whose cell body is located in a cluster of approximately six cells the inferior protocerebrum (Giang et al., 2011. Some of these neurons project to the contralateral hemisphere and innervate the optic lobe (Valles and White, 1988. There are also some arborizations in the superior medial protocerebrum and the posterior lateral protocerebrum (Xu et al., 2016. (Valles and White, 1988, Xu et al., 2016, Giang et al., 2011)

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5-HTPMPV01_R (FlyEM-HB:5813078603) [VFB_jrchjrcl]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; 5-HTPMPV01_R (FlyEM-HB:5813078603); female organism; is part of; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; adult serotonergic IP neuron]

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5-HTPMPV01(PVM16)_L (FlyEM-HB:541697718) [VFB_jrchjrck]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; 5-HTPMPV01(PVM16)_L (FlyEM-HB:541697718); is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; adult serotonergic IP neuron]

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5-HTPMPV03_L (FlyEM-HB:791527493) [VFB_jrchjrcn]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; 5-HTPMPV03_L (FlyEM-HB:791527493); neuronbridge; is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; adult serotonergic IP neuron]

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5-HTPMPV03_R (FlyEM-HB:669325882) [VFB_jrchjrcm]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; 5-HTPMPV03_R (FlyEM-HB:669325882); neuronbridge; is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; adult serotonergic IP neuron]

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AC thermosensory neuron [FBbt_00007333]

Thermosensory neuron with its soma in the adult brain, anterior to the antennal lobe, that has no dendrites and expresses TrpA1 (Hamada et al., 2008; Shih and Chiang, 2011). It is activated by elevated temperature and is necessary for normal warmth-avoidance behavior (Hamada et al., 2008). It innervates the antennal lobe glomeruli VL2a and VL2p and the subesophageal zone, then projects obliquely towards the ipsilateral posterior superior lateral protocerebrum before branching to give extensive symmetrical arborizations in the superior medial protocerebrum in both hemispheres (Hamada et al., 2008; Shih and Chiang, 2011). It is serotonergic (Shih and Chiang, 2011). Neurotransmitter type was assessed by immunostaining with 5-HT (Shih and Chiang, 2011).

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AC thermosensory neuron [FBbt_00007333]

Thermosensory neuron with its soma in the adult brain, anterior to the antennal lobe, that has no dendrites and expresses TrpA1 (Hamada et al., 2008; Shih and Chiang, 2011. It is activated by elevated temperature and is necessary for normal warmth-avoidance behavior (Hamada et al., 2008. It innervates the antennal lobe glomeruli VL2a and VL2p and the subesophageal zone, then projects obliquely towards the ipsilateral posterior superior lateral protocerebrum before branching to give extensive symmetrical arborizations in the superior medial protocerebrum in both hemispheres (Hamada et al., 2008; Shih and Chiang, 2011. It is serotonergic (Shih and Chiang, 2011. (Shih and Chiang, 2011)

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adult CB0212 neuron [FBbt_20004026]

Adult brain-intrinsic neuron with its soma in the brain, ventral to the antennal mechanosensory and motor center. It is a putative embryonic-born neuron. It has postsynapses in the ipsilateral flange and the ipsilateral superior medial protocerebrum. It has presynapses in the ipsilateral flange and the ipsilateral superior medial protocerebrum. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0364 neuron [FBbt_20004147]

Adult brain-intrinsic neuron with its soma in the brain, anterior-ventral to the antennal mechanosensory and motor center. It belongs to the TRdm hemilineage. It has postsynapses in the ipsilateral flange and the contralateral flange. It has presynapses in the contralateral flange and the ipsilateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0578 neuron [FBbt_20004322]

Adult brain-intrinsic neuron with its soma in the brain, posterior-ventral to the antennal mechanosensory and motor center. It is a putative embryonic-born neuron. It has postsynapses in the contralateral flange and the ipsilateral flange. It has presynapses in the ipsilateral flange and the contralateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0684 neuron [FBbt_20004415]

Adult brain-intrinsic neuron with its soma in the brain, ventral to the antennal lobe. It is a putative embryonic-born neuron. It has postsynapses in the ipsilateral superior medial protocerebrum and the ipsilateral flange. It has presynapses in the ipsilateral superior medial protocerebrum and the ipsilateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0726 neuron [FBbt_20004450]

Adult endocrine neuron with its soma in the brain, dorsal to the mushroom body calyx. It is a putative embryonic-born neuron. It has postsynapses in the ipsilateral flange and the contralateral flange. It has presynapses in the ipsilateral flange and the contralateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0769 neuron [FBbt_20004484]

Adult motor neuron with its soma in the brain, ventral to the antennal lobe. It is a putative embryonic-born neuron. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0809 neuron [FBbt_20004516]

Adult brain-intrinsic neuron with its soma in the brain, anterior-ventral to the antennal mechanosensory and motor center. It is a putative embryonic-born neuron. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB0878 neuron [FBbt_20004573]

Adult brain-intrinsic neuron with its soma in the brain, ventral to the prow. It belongs to the TRdm hemilineage. It has postsynapses in the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum. It has presynapses in the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB1095 neuron [FBbt_20004774]

Adult brain-intrinsic neuron with its soma in the brain, posterior-ventral to the gnathal ganglia. It belongs to the LB5 hemilineage. It has postsynapses in the ipsilateral flange and the ipsilateral superior medial protocerebrum. It has presynapses in the ipsilateral flange and the ipsilateral superior medial protocerebrum. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB1537 neuron [FBbt_20005175]

Adult brain-intrinsic neuron with its soma in the brain, ventral to the antennal lobe. It belongs to the FLAa3 hemilineage. It has postsynapses in the ipsilateral flange, the contralateral superior medial protocerebrum and the ipsilateral superior medial protocerebrum. It has presynapses in the contralateral superior medial protocerebrum and the ipsilateral superior medial protocerebrum. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CB1862 neuron [FBbt_20005461]

Adult brain-intrinsic neuron with its soma in the brain, anterior to the prow. It belongs to the FLAa3 hemilineage. It has postsynapses in the ipsilateral flange, the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum. It has presynapses in the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult CSD interneuron [FBbt_00007405]

Large serotonergic interneuron of the adult brain whose cell body is located close to the antennal lobe. Its dendrites innervate the ipsilateral antennal lobe (Roy et al., 2007), then it joins the medial antennal lobe tract, branching out to innervate the ipsilateral mushroom body calyx, lateral horn and the superior neuropils (Roy et al., 2007, Tanaka et al., 2012). It crosses the midline, innervating the same higher brain regions on the contralateral side, then follows the contralateral medial antennal lobe tract to the contralateral antennal lobe (Roy et al., 2007, Tanaka et al., 2012). It innervates all contralateral antennal lobe glomeruli with a non-glomerular pattern (Tanaka et al., 2012). It receives mixed input and output in all contralateral innervation regions, except for the antler, which is an input region (Coates et al., 2020). The ipsilateral antennal lobe is also an input region (Coates et al., 2020). In the contralateral antennal lobe it is synapsed to and by dense ABAF and patchy local neurons, as well as projection neurons (PNs), and has particularly strong input from DM5 uniglomerular PNs (Coates et al., 2020). It also receives input from SIMPAL neurons in the contralateral antennal lobe (Coates et al., 2020). In the lateral horn it receives input from all three main types of neuron (LHIN, LHON and LHLN) and outputs to LHLNs and LHONs (Coates et al., 2020). In the antler it receives input from a subset of bilaterally projecting wind sensitive wedge projection neurons (Coates et al., 2020). There is one of these cells per hemisphere, which is modified from its larval form during the pupal stage (Roy et al., 2007). Huser et al. (2012) classify this as an IP neuron based on classification of larval CSD neuron. Giang et al. (2011) and Kasture et al. (2018) list the adult CSD neuron as being distinct from the adult IP cluster. May be the same as the AMP neuron from Sitaraman et al. (2008) - FBrf0204454, similar location and large nuclear size (see also FBrf0239252, FBrf0229627) and could not find a paper with both neurons or a good description of AMP [FBC:CP]. Not classified as a projection neuron based on its unpolarized nature (Bates et al., 2020 - FlyBase:FBrf0246460).

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adult dorsal posterior Ilp7 (male) neuron [FBbt_00111305]

Male version of the adult dorsal posterior Ilp7 neuron, which expresses the male isoform of fruitless. This is a serotonergic neuron that innervates the seminal vesicle. There are 4 of these neurons, which are a subset of the serotonergic abdominal giant neurons. These cells are generated by post-embryonic neurogenesis in the late third instar larva. Unlike the female version, this cell is not a motor neuron and expression of postsynaptic glutamate receptors is much lower. They also express fruitless (FBgn0004652) but not doublesex (FBgn0000504). The expression of Bruchpilot was used to reveal presynaptic terminals (Castellanos et al., 2013). May be equivalent to or overlap with serotonergic abdominal giant (male) neuron 1 - FBbt:00048428 [FBC:CP].

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adult dorsal posterior Ilp7 (male) neuron [FBbt_00111305]

Male version of the adult dorsal posterior Ilp7 neuron, which expresses the male isoform of fruitless (Castellanos et al., 2013. It is a serotonergic neuron that innervates the seminal vesicle (Castellanos et al., 2013. There are 4 of these neurons per organism, which are a subset of the serotonergic abdominal giant neurons (Castellanos et al., 2013. Unlike the female version, this cell is not a motor neuron and expression of postsynaptic glutamate receptors is much lower (Castellanos et al., 2013. (Castellanos et al., 2013)

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adult ellipsoid body extrinsic ring neuron ExR3 [FBbt_00047035]

Serotonergic extrinsic ring neuron of the DM3 lineage in the adult (Omoto et al., 2018). It follows the longitudinal superior medial fascicle and innervates the superior medial and intermediate protocerebrum, the crepine, the lateral accessory lobe and a dorsal layer of the fan-shaped body, with mixed terminals (Omoto et al., 2018; Hulse et al., 2020). It has mainly presynaptic terminals in both (bilateral) bulbs and the inner central domain of the ellipsoid body (Omoto et al., 2018; Hulse et al., 2020).

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adult fruitless vMS17 neuron [FBbt_00053052]

Adult fruitless neuron with its cell body located in the ventral mesothoracic neuromere (Lillvis et al., 2024). It has arbors ipsilaterally in three thoracic neuromeres and contralateral arbors in the mesothoracic neuromere (Lillvis et al., 2024). There is one of these cells on each side (Lillvis et al., 2024). It is dopaminergic and serotonergic (Lillvis et al., 2024). Only studied in males in Lillvis et al. (2024).

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adult gnathal ganglion serotonergic projection neuron [FBbt_00059265]

A serotonergic projection neuron of the gnathal ganglion (Scheunemann et al., 2018). There is one such neuron per hemisphere, with a soma located at the lateral border of the gnathal ganglion. It projects contralaterally into the gnathal ganglion and the saddle, crossing the midline close to the digestive tube. It also projects ipsilaterally to the superior clamp surrounding the mushroom body peduncle, where it connects to the MP1 dopaminergic neuron to trigger oscillatory activity, and to ventrolateral protocerebrum and the superior lateral protocerebrum. Its pre-synaptic terminals localize to the processes in the superior clamp, the ventrolateral protocerebrum, and throughout the gnathal ganglion and the saddle. It is involved in the initial period of long-term memory consolidation. It expresses the sex peptide receptor (Scheunemann et al., 2019).

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adult medulla visual centrifugal neuron 08a [FBbt_20007301]

Adult visual centrifugal neuron with its soma in the brain, dorsal to the accessory medulla. It has postsynapses in the ipsilateral medulla, the ipsilateral lobula and the ipsilateral posterior lateral protocerebrum. It has presynapses in the ipsilateral medulla. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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adult serotonergic IP neuron [FBbt_00110937]

Adult serotonergic neuron whose cell body is located in a cluster of approximately six cells the inferior protocerebrum (Giang et al., 2011). Some of these neurons project to the contralateral hemisphere and innervate the optic lobe (Valles and White, 1988). There are also some arborizations in the superior medial protocerebrum and the posterior lateral protocerebrum (Xu et al., 2016).

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adult serotonergic LP2 neuron [FBbt_00007341]

Serotonergic LP neuron whose cell body is located in the optic peduncle, adjacent to the medulla layer. These cells are born during metamorphosis. There are approximately nine neurons in this cluster. Valles and White, 1988 split this cluster into LP2a and LP2b, but do not define these subgroups.

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adult serotonergic PLP neuron [FBbt_00110945]

Adult serotonergic LP neuron whose cell body is located in the cell body rind of the lateral protocerebrum, anterior to the optic tract and posterior to the LP2 cluster (Valles and White, 1988; Giang et al., 2011). It arborizes in the ventrolateral protocerebrum and projects its axon centrally into the midbrain (Valles and White, 1988; Xu et al., 2016). There are approximately two of these cells per hemisphere (Giang et al., 2011).

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adult serotonergic PMP neuron [FBbt_00049528]

Adult serotonergic neuron whose cell body is located in the posterior medial protocerebrum (Sitaraman et al., 2008). There around 12-16 neurons (Alekseyenko et al., 2010), organized into three clusters along the dorsal-ventral axis (Pooryasin and Fiala, 2015). Sitaraman et al. (2008) note that these posteriorly-located cells may correspond to ‘anterior’ serotonergic neurons identified by Valles and White (1988).

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adult serotonergic PMPD neuron [FBbt_00110955]

Adult serotonergic neuron whose cell body is located in the dorsal posterior medial protocerebrum (Pooryasin and Fiala, 2015). There are two to three neurons in this cluster (Giang et al., 2011; Pooryasin and Fiala, 2015). Stated to be an anterior cluster by Valles and White (1988) and Giang et al. (2011), mapped to a posterior cluster (PMPD) by Pooryasin and Fiala (2015). SP1 in Giang et al. (2011) also looks like PMPD in Kasture et al. (2018).

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adult serotonergic PMPM neuron [FBbt_00110957]

Adult serotonergic neuron whose cell body is located in the posterior medial protocerebrum, ventral to the cluster of PMPD neurons (Valles and White, 1988; Pooryasin and Fiala, 2015). There are approximately five of these neurons per hemisphere (Giang et al., 2011). Stated to be an anterior cluster by Valles and White (1988) and Giang et al. (2011), mapped to a posterior cluster (PMPM) by Pooryasin and Fiala (2015). SP2 in Giang et al. (2011) also looks like PMPM in Kasture et al. (2018).

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adult serotonergic PMPM neuron [FBbt_00110957]

Adult serotonergic neuron whose cell body is located in the posterior medial protocerebrum, ventral to the cluster of PMPD neurons (Valles and White, 1988; Pooryasin and Fiala, 2015. There are approximately five of these neurons per hemisphere (Giang et al., 2011. (Pooryasin and Fiala, 2015, Kasture et al., 2018, Valles and White, 1988, Giang et al., 2011)

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adult serotonergic SE1 neuron [FBbt_00110949]

Adult serotonergic SE neuron whose cell body is located laterally to the esophagus foramen (Valles and White, 1988. This cluster consists of two large and two small cells (Giang et al., 2011. At least some of these arborize in the subesophageal zone (Xu et al., 2016. (Valles and White, 1988, Xu et al., 2016, Giang et al., 2011)

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adult serotonergic sugar-SEL neuron [FBbt_00052256]

Adult serotonergic neuron that has its soma in the lateral subesophageal zone ad responds to sugar stimuli from the proboscis (Yao and Scott, 2022). It has mixed presynaptic and postsynaptic terminals in both hemispheres of the subesophageal zone, spanning the midline (Yao and Scott, 2022). There is a heterogeneous population of three of these cells per hemisphere, and they all contribute to the regulation of sugar intake (Yao and Scott, 2022).

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adult serotonergic sugar-SEL neuron [FBbt_00052256]

Adult serotonergic neuron that has its soma in the lateral subesophageal zone ad responds to sugar stimuli from the proboscis (Yao and Scott, 2022. It has mixed presynaptic and postsynaptic terminals in both hemispheres of the subesophageal zone, spanning the midline (Yao and Scott, 2022. There is a heterogeneous population of three of these cells per hemisphere, and they all contribute to the regulation of sugar intake (Yao and Scott, 2022. (Yao and Scott, 2022)

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adult serotonergic sugar-SEL projection neuron [FBbt_00052255]

Adult serotonergic sugar-SEL neuron that has an ascending projection to the pars intercerebralis via the median bundle (Yao and Scott, 2022). It also has mixed arborization in the dorsal subesophageal zone, close to the esophageal foramen, spanning the midline (Yao and Scott, 2022). There are two of these cells per hemisphere, with projections on different sides of the midline (Yao and Scott, 2022).

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adult serotonergic sugar-SEL projection neuron [FBbt_00052255]

Adult serotonergic sugar-SEL neuron that has an ascending projection to the pars intercerebralis via the median bundle (Yao and Scott, 2022. It also has mixed arborization in the dorsal subesophageal zone, close to the esophageal foramen, spanning the midline (Yao and Scott, 2022. There are two of these cells per hemisphere, with projections on different sides of the midline (Yao and Scott, 2022. (Yao and Scott, 2022)

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AVLP594 [FBbt_20000703]

Adult brain-intrinsic neuron of the AVLP594 group, with its soma in the brain, anterior-dorsal to the accessory medulla (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral anterior ventrolateral protocerebrum, the ipsilateral mushroom body calyx, the ipsilateral lateral horn, the ipsilateral superior lateral protocerebrum, the ipsilateral superior clamp and the contralateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral anterior ventrolateral protocerebrum, the contralateral superior medial protocerebrum, the ipsilateral mushroom body calyx, the ipsilateral superior medial protocerebrum, the ipsilateral superior clamp, the contralateral mushroom body calyx, the contralateral superior clamp, the contralateral superior lateral protocerebrum, the ipsilateral superior lateral protocerebrum and the ipsilateral posterior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB0212 [FBbt_20004026]

Adult brain-intrinsic neuron of the CB0212 group, with its soma in the brain, ventral to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the prow and the ipsilateral flange (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral flange, the prow and the ipsilateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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CB0364 [FBbt_20004147]

Adult brain-intrinsic neuron of the CB0364 group, with its soma in the brain, anterior-ventral to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the TRdm hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia, the ipsilateral flange, the saddle and the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia and the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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CB0578 [FBbt_20004322]

Adult brain-intrinsic neuron of the CB0578 group, with its soma in the brain, posterior-ventral to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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CB0684 [FBbt_20004415]

Adult brain-intrinsic neuron of the CB0684 group, with its soma in the brain, ventral to the antennal lobe (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia, the ipsilateral superior medial protocerebrum, the prow and the ipsilateral flange (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral superior medial protocerebrum, the prow, the ipsilateral flange and the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB0726 [FBbt_20004450]

Adult endocrine neuron of the CB0726 group, with its soma in the brain, dorsal to the mushroom body calyx (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia, the ipsilateral flange and the saddle (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the saddle, the ipsilateral flange and the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 4 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Schlegel et al., 2024, Dorkenwald et al., 2024)

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CB0769 [FBbt_20004484]

Adult motor neuron of the CB0769 group, with its soma in the brain, ventral to the antennal lobe (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB0809 [FBbt_20004516]

Adult brain-intrinsic neuron of the CB0809 group, with its soma in the brain, anterior-ventral to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia and the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB0878 [FBbt_20004573]

Adult brain-intrinsic neuron of the CB0878 group, with its soma in the brain, ventral to the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the TRdm hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB1095 [FBbt_20004774]

Adult brain-intrinsic neuron of the CB1095 group, with its soma in the brain, posterior-ventral to the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the LB5 hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the prow and the ipsilateral flange (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the prow, the ipsilateral flange and the ipsilateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 6 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB1537 [FBbt_20005175]

Adult brain-intrinsic neuron of the CB1537 group, with its soma in the brain, ventral to the antennal lobe (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the FLAa3 hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral flange, the contralateral superior medial protocerebrum and the ipsilateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the contralateral superior medial protocerebrum and the ipsilateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 6 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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CB1862 [FBbt_20005461]

Adult brain-intrinsic neuron of the CB1862 group, with its soma in the brain, anterior to the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the FLAa3 hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral flange, the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral superior medial protocerebrum and the contralateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 3 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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CSD [FBbt_00007405]

Large serotonergic interneuron of the adult brain whose cell body is located close to the antennal lobe. Its dendrites innervate the ipsilateral antennal lobe (Roy et al., 2007, then it joins the medial antennal lobe tract, branching out to innervate the ipsilateral mushroom body calyx, lateral horn and the superior neuropils (Roy et al., 2007, Tanaka et al., 2012. It crosses the midline, innervating the same higher brain regions on the contralateral side, then follows the contralateral medial antennal lobe tract to the contralateral antennal lobe (Roy et al., 2007, Tanaka et al., 2012. It innervates all contralateral antennal lobe glomeruli with a non-glomerular pattern (Tanaka et al., 2012. It receives mixed input and output in all contralateral innervation regions, except for the antler, which is an input region (Coates et al., 2020. The ipsilateral antennal lobe is also an input region (Coates et al., 2020. In the contralateral antennal lobe it is synapsed to and by dense ABAF and patchy local neurons, as well as projection neurons (PNs), and has particularly strong input from DM5 uniglomerular PNs (Coates et al., 2020. It also receives input from SIMPAL neurons in the contralateral antennal lobe (Coates et al., 2020. In the lateral horn it receives input from all three main types of neuron (LHIN, LHON and LHLN) and outputs to LHLNs and LHONs (Coates et al., 2020. In the antler it receives input from a subset of bilaterally projecting wind sensitive wedge projection neurons (Coates et al., 2020. There is one of these cells per hemisphere, which is modified from its larval form during the pupal stage (Roy et al., 2007. (Dacks et al., 2006, Giang et al., 2011, Roy et al., 2007, Frechter et al., 2019, Tanaka et al., 2012, Coates et al., 2020, Huser et al., 2012)

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CSD(5HT1)_R (FlyEM-HB:851459972) [VFB_jrchjtd7]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; CSD(5HT1)_R (FlyEM-HB:851459972); neuronbridge; is part of; adult CSD interneuron; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain]

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CSD(5HT1)(AVM03)_L (FlyEM-HB:759810119) [VFB_jrchjtd6]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; is part of; CSD(5HT1)(AVM03)_L (FlyEM-HB:759810119); female organism; adult CSD interneuron; Neuprint web interface - hemibrain:v1.1; adult brain; JRC2018Unisex]

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descending neuron of the gnathal ganglion DNg65 [FBbt_20007507]

Adult descending neuron with its soma in the brain, ventral to the antennal mechanosensory and motor center. It belongs to the MX3 hemilineage. It has postsynapses in the contralateral flange and the ipsilateral flange. It has presynapses in the contralateral flange and the ipsilateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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descending neuron of the gnathal ganglion DNg94 [FBbt_20007531]

Adult descending neuron with its soma in the brain, posterior-ventral to the antennal mechanosensory and motor center. It has postsynapses in the ipsilateral inferior posterior slope. It has presynapses in the ipsilateral inferior posterior slope and the ipsilateral superior posterior slope. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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descending neuron of the gnathal ganglion DNge109 [FBbt_20007420]

Adult descending neuron with its soma in the brain, near to the antennal mechanosensory and motor center. It belongs to the LB7 hemilineage. It has postsynapses in the ipsilateral inferior posterior slope. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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descending neuron of the gnathal ganglion DNge126 [FBbt_20007437]

Adult descending neuron with its soma in the brain, posterior to the antennal mechanosensory and motor center. It belongs to the LB7 hemilineage. It has postsynapses in the ipsilateral inferior posterior slope. It has presynapses in the ipsilateral inferior posterior slope. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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descending neuron of the gnathal ganglion DNge151 [FBbt_20007462]

Adult descending neuron with its soma in the brain, posterior-ventral to the gnathal ganglia. It belongs to the LB0_posterior hemilineage. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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descending neuron of the posterior brain DNp58 [FBbt_20007550]

Adult descending neuron with its soma in the brain, ventral to the mushroom body calyx. It belongs to the SMPpv2_dorsal hemilineage. It has postsynapses in the ipsilateral flange. It has presynapses in the contralateral flange and the ipsilateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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descending neuron of the posterior brain DNpe007 [FBbt_20007536]

Adult descending neuron with its soma in the brain, medial to the posterior lateral protocerebrum. It is a putative embryonic-born neuron. It has postsynapses in the ipsilateral flange. It has presynapses in the ipsilateral flange. Its predicted neurotransmitter is serotonin. Uncharacterized putative cell type from Schlegel et al. (2023), based on FlyWire v783 (FAFB) data (Dorkenwald et al., 2023). Soma locations are based on the closest annotated neuropil region. Pre- or post-synapse locations are the fewest regions that collectively contain at least 80 percent of all pre- or post-synapses of these neurons in FlyWire. Neurotransmitter predictions are from Eckstein et al. (2023). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2023).

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DNg28 [FBbt_00047620]

Serotonergic descending neuron belonging to the DNg group, having a large cell body in the SE1 cluster, in the lateral part of the cell body rind around the gnathal ganglion (Alekseyenko et al., 2010; Namiki et al., 2018; Yao and Scott, 2022. It has dendrites in the flange, prow and gnathal ganglion (Namiki et al., 2018; Yao and Scott, 2022 and it responds to bitter taste stimuli from the proboscis and legs (Yao and Scott, 2022. This neuron does not cross the midline and it sends an axonal projection via the ipsilateral side of the cervical connective to the ventral nerve cord (Namiki et al., 2018; Yao and Scott, 2022. It also sends projections into the labial nerve and to the hypocerebral ganglion, via the recurrent nerve (Yao and Scott, 2022. It activates enteric neurons that express serotonin receptors and can stimulate crop contraction (Yao and Scott, 2022. There are two of these cells per hemisphere (Alekseyenko et al., 2010; Namiki et al., 2018; Yao and Scott, 2022. (Namiki et al., 2018, Alekseyenko et al., 2010, Yao and Scott, 2022)

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DNg30 [FBbt_00047622]

Adult serotonergic descending neuron belonging to the DNg group, having a large cell body in the cell body rind of the lateral gnathal ganglion (Namiki et al., 2018; Scheunemann et al., 2018. One branch projects dorsally to arborize and form presynapses in the ipsilateral anterior and posterior ventrolateral protocerebrum, superior clamp and superior lateral protocerebrum (Scheunemann et al., 2018. Another branch crosses the midline just ventral to the esophageal foramen and arborizes in the contralateral gnathal ganglion and saddle, where it also forms presynapses (Scheunemann et al., 2018. It descends on the contralateral side of the cervical connective, then fasciculates with the dorsal lateral tract of the ventral cervical fascicle and innervates the intermediate and lower tectulum, and the abdominal neuromere (Namiki et al., 2018. There is one of these cells per hemisphere (Namiki et al., 2018; Scheunemann et al., 2018. Its superior clamp arbor outputs to MB-MP1 in the mushroom body pedunculus and it is involved in the initial period of long-term memory consolidation (Scheunemann et al., 2018. It also expresses the sex peptide receptor and myoinhibitory peptide (Mip/AstB) (Scheunemann et al., 2019. (Scheunemann et al., 2019, Namiki et al., 2018, Scheunemann et al., 2018)

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DNg65 [FBbt_20007507]

Adult descending neuron with its soma in the gnathal ganglion, ventral to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. In the brain, it has postsynapses and presynapses in the gnathal ganglion (Schlegel et al., 2024; Dorkenwald et al., 2024. In the VNC, it follows the ventral lateral tract of ventral cervical fasciculus (Sturner et al., 2025). Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024; Sturner et al., 2025). (Dorkenwald et al., 2024, Stürner et al., 2025, Eckstein et al., 2024)

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DNg94 [FBbt_20007531]

Adult descending neuron with its soma in the gnathal ganglion, posterior-ventral to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. In the brain, it has postsynapses in the ipsilateral inferior posterior slope and presynapses in the gnathal ganglion (Schlegel et al., 2024; Dorkenwald et al., 2024. In the VNC, it follows the intermediate tract of dorsal cervical fasciculus - commissure of fine fibers (Sturner et al., 2025). Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024; Sturner et al., 2025). (Dorkenwald et al., 2024, Eckstein et al., 2024, Stürner et al., 2025)

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DNge109 [FBbt_20007420]

Adult descending neuron of the DNge109 group, with its soma in the brain, near to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the LB7 hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia and the ipsilateral inferior posterior slope (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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DNge126 [FBbt_20007437]

Adult descending neuron of the DNge126 group, with its soma in the brain, posterior to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the LB7 hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral inferior posterior slope and the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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DNge151 [FBbt_20007462]

Adult descending neuron of the DNge151 group, with its soma in the brain, posterior-ventral to the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the LB0 posterior hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia, the flange and the saddle (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There is approximately one of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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DNp58 [FBbt_20007550]

Adult descending neuron with its soma in the brain, ventral to the mushroom body calyx (Schlegel et al., 2024; Dorkenwald et al., 2024. It belongs to the SMPpv2 lineage (Schlegel et al., 2024; Dorkenwald et al., 2024. In the brain, it has postsynapses and presynapses in the prow and the ipsilateral flange, and also has presynapses in the contralateral flange (Schlegel et al., 2024; Dorkenwald et al., 2024. In the VNC, it follows the curved ventrolateral tract (Sturner et al., 2025). Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024; Sturner et al., 2025). (Eckstein et al., 2024, Dorkenwald et al., 2024)

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DNpe007 [FBbt_20007536]

Adult descending neuron of the DNpe007 group, with its soma in the brain, medial to the posterior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia and the saddle (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia and the prow (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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DPM [FBbt_00005780]

A serotonergic (Lee et al., 2011 and GABAergic (Haynes et al., 2015 mushroom body intrinsic neuron of the adult whose large cell body (~12um) is located in the dorsal posterior medial area of the brain, ventromedial to the calyx (Waddell et al., 2000; Tanaka et al., 2008. There is one of these cells per hemisphere and it innervates the entire ipsilateral mushroom body lobe system and distal pedunculus (Tanaka et al., 2008; Li et al., 2020. Its cell body fiber bifurcates in the superior neuropils, with one branch entering the tip of the gamma lobe and the other branching to enter at the base of the alpha lobe/lateral gamma lobe and the tip of the alpha’ lobe (Waddell et al., 2000; Tanaka et al., 2008. It is synapsed to and by Kenyon cells throughout the mushroom body lobes and also has outputs to dopaminergic mushroom body input neurons (DANs) and mushroom body output neurons (MBONs) (Takemura et al., 2017; Li et al., 2020. This neuron is also electrically connected to the mushroom body anterior paired lateral cell (Wu et al., 2011. It is involved in sleep and memory consolidation (Haynes et al., 2015. It is a secondary neuron (Truman et al., 2023 that develops from the DM3 neuroblast (Ito et al., 2013. (Wu et al., 2011, Truman et al., 2023, Pitman et al., 2011, Lee et al., 2011, Takemura et al., 2017, Tanaka et al., 2008, Li et al., 2020, Waddell et al., 2000, Haynes et al., 2015, Ito et al., 2013)

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DPM_L (FlyEM-HB:425276848) [VFB_jrchjti1]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; DPM_L (FlyEM-HB:425276848); neuronbridge; is part of; mushroom body dorsal paired medial cell; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain]

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DPM_R (FlyEM-HB:5813105172) [VFB_jrchjti0]

tracing status-Roughly traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; is part of; mushroom body dorsal paired medial cell; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; DPM_R (FlyEM-HB:5813105172)]

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EW1 neuron [FBbt_00001583]

Serotonergic interneuron of embryonic/larval abdominal segments A1-A7. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective neurite of the serotonergic abdominal lateral neuron and follow a similar pathway, projecting anteriorly to form the majority of its branches in the next anterior segment. In the A7 abdominal segment, this neuron has a single primary neurite that extends centrally and forms extensive varicosities. It is born from the first-born ganglion mother cell of the 7-3 lineage (GMC 7-3a). (Lundell and Hirsh, 1998, Chen and Condron, 2008, Dittrich et al., 1997, Isshiki et al., 2001)

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EW2 neuron [FBbt_00001584]

Serotonergic interneuron of embryonic/larval abdominal segments A1-A7. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of the serotonergic abdominal medial neuron and follows a similar pathway, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. It is born from the second-born ganglion mother cell of the 7-3 lineage (GMC 7-3b). (Dittrich et al., 1997, Isshiki et al., 2001, Lundell and Hirsh, 1998, Chen and Condron, 2008)

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ExR3 [FBbt_00047035]

Adult serotonergic extrinsic ring neuron that follows the longitudinal superior medial fascicle and innervates the superior medial and intermediate protocerebrum, the crepine, the lateral accessory lobe and a dorsal layer of the fan-shaped body, with mixed terminals (Omoto et al., 2018; Hulse et al., 2021. It has mainly presynaptic terminals in both (bilateral) bulbs and the inner central domain of the ellipsoid body (Omoto et al., 2018; Hulse et al., 2021. There is one of these cells per hemisphere and it develops from neuroblast DM6 (Kandimalla et al., 2023. (Omoto et al., 2018, Kandimalla et al., 2023, Hulse et al., 2021)

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ExR3(ring)_L (FlyEM-HB:919763043) [VFB_jrchjtsr]

tracing status-Traced, cropped-False [focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; adult ellipsoid body extrinsic ring neuron ExR3; ExR3(ring)_L (FlyEM-HB:919763043)]

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ExR3(ring)_R (FlyEM-HB:1036637638) [VFB_jrchjtsq]

tracing status-Traced, cropped-False [ExR3(ring)_R (FlyEM-HB:1036637638); focussed ion beam scanning electron microscopy (FIB-SEM); JRC_FlyEM_Hemibrain; neuronbridge; is part of; female organism; Neuprint web interface - hemibrain:v1.1; JRC2018Unisex; adult brain; adult ellipsoid body extrinsic ring neuron ExR3]

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fru-vMS17 [FBbt_00053052]

Adult fruitless neuron with its cell body located in the ventral mesothoracic neuromere (Lillvis et al., 2024. It has arbors ipsilaterally in three thoracic neuromeres and contralateral arbors in the mesothoracic neuromere (Lillvis et al., 2024. There is one of these cells on each side (Lillvis et al., 2024. It is dopaminergic and serotonergic (Lillvis et al., 2024. It is the mesothoracic IN27X002 neuron (Sturner et al., 2025; Takemura et al., 2024; Marin et al., 2024). (Lillvis et al., 2024, Stürner et al., 2025)

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IB118 [FBbt_20001295]

Adult brain-intrinsic neuron of the IB118 group, with its soma in the brain, near to the mushroom body calyx (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral superior posterior slope, the contralateral superior posterior slope, the ipsilateral inferior bridge and the contralateral inferior bridge (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the contralateral superior posterior slope, the contralateral inferior bridge, the contralateral inferior clamp and the ipsilateral superior posterior slope (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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LAL082 [FBbt_20001378]

Adult brain-intrinsic neuron of the LAL082 group, with its soma in the brain, ventral to the antennal lobe (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral lateral accessory lobe and the ipsilateral inferior posterior slope (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral lateral accessory lobe (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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larval A26e neuron [FBbt_00047854]

Serotonergic interneuron of the larval ventral nerve cord that is part of lineage 26 (Burgos et al., 2018). From a ventral soma, one branch extends dorsally and another contralaterally (Zwart et al., 2016). This is likely to be equivalent to another type of serotonergic VNC neuron, but it is not clear which.

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larval serotonergic A1 neuron 1 [FBbt_00047331]

Larval serotonergic A1 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A1-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (T3).

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larval serotonergic A1 neuron 1 [FBbt_00047331]

Larval serotonergic A1 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A1-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (T3). (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A1 neuron 2 [FBbt_00047332]

Larval serotonergic A1 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A1-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract.

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larval serotonergic A1 neuron 2 [FBbt_00047332]

Larval serotonergic A1 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A1-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A2 neuron 1 [FBbt_00047334]

Larval serotonergic A2 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A2-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A1).

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larval serotonergic A2 neuron 1 [FBbt_00047334]

Larval serotonergic A2 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A2-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A1). (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A2 neuron 2 [FBbt_00047333]

Larval serotonergic A2 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A2-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract.

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larval serotonergic A2 neuron 2 [FBbt_00047333]

Larval serotonergic A2 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A2-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A3 neuron 1 [FBbt_00047335]

Larval serotonergic A3 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A3-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A2).

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larval serotonergic A3 neuron 1 [FBbt_00047335]

Larval serotonergic A3 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A3-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A2). (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A3 neuron 2 [FBbt_00047336]

Larval serotonergic A3 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A3-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract.

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larval serotonergic A3 neuron 2 [FBbt_00047336]

Larval serotonergic A3 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A3-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A4 neuron 1 [FBbt_00047337]

Larval serotonergic A4 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A4-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A3).

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larval serotonergic A4 neuron 1 [FBbt_00047337]

Larval serotonergic A4 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A4-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A3). (Chen and Condron, 2008, Huser et al., 2012)

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larval serotonergic A4 neuron 2 [FBbt_00047338]

Larval serotonergic A4 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A4-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract.

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larval serotonergic A4 neuron 2 [FBbt_00047338]

Larval serotonergic A4 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A4-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A5 neuron 1 [FBbt_00047340]

Larval serotonergic A5 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A5-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A4).

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larval serotonergic A5 neuron 1 [FBbt_00047340]

Larval serotonergic A5 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A5-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A4). (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A5 neuron 2 [FBbt_00047339]

Larval serotonergic A5 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A5-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract.

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larval serotonergic A5 neuron 2 [FBbt_00047339]

Larval serotonergic A5 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A5-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A6 neuron 1 [FBbt_00047342]

Larval serotonergic A6 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A6-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A5).

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larval serotonergic A6 neuron 1 [FBbt_00047342]

Larval serotonergic A6 neuron with its cell body located more medially. The axon bifurcates into two thick branches as it enters dorsally into the contralateral neuropil. These two primary branches initially diverge in opposite directions and grow along the medial two-thirds of the neuropil, forming a circular pattern, with the branches meeting at the dorsal end of the neuropil. These neurons also extend an ipsilateral neurite, that seems to fasciculate with the respective ipsilateral neurite of the A6-2 neuron, projecting anteriorly to form the majority of its branches in the next anterior segment (A5). (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A6 neuron 2 [FBbt_00047341]

Larval serotonergic A6 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A6-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract.

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larval serotonergic A6 neuron 2 [FBbt_00047341]

Larval serotonergic A6 neuron with its cell body located more laterally. Its contralateral branch forms a complex pattern at the ventral border of the contralateral neuropil that extends along the lateral margins. Its ipsilateral branch seems to fasciculate with the respective neurite of A6-1, though extending a contralateral neurite about mid-level in the dorso-ventral and anterior-posterior axis. This neurite extends a short way anterior along a midline tract. (Huser et al., 2012, Chen and Condron, 2008)

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larval serotonergic A8 neuron [FBbt_00100751]

Ventrolateral serotonergic neuron of abdominal segment A8. There is one cell body per hemineuromere. The primary neuron bifurcates next to the cell body to send out a small ipsilateral primary branch, which innervates the A7 neuromere. (Lundell and Hirsh, 1998, Lundell and Hirsh, 1994, Giang et al., 2011, Chen and Condron, 2008)

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larval serotonergic abdominal neuron [FBbt_00110975]

Larval serotonergic neuron whose cell body is located in a bilaterally-paired cluster in one of the abdominal neuromeres, ventral to the VL tract (Vomel and Wegener, 2008). There are two per side in A1-A7 and one per side in A8 (Vomel and Wegener, 2008). (Chen and Condron, 2008, Vömel and Wegener, 2008, Valles and White, 1988)

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larval serotonergic anterior ventromedial SE2 neuron [FBbt_00047321]

Larval serotonergic SE2 neuron whose cell body is located in the maxillary segment, in an anterior ventromedial position. There are usually three of these cells. They cells bifurcate close to the cell body, sending branches ipsilaterally and contralaterally. The ipsilateral branch remains restricted to the ventromedial part of the ipsilateral subesophageal zone. The contralateral branch splits more extensively to innervate more of the contralateral subesophageal zone (Huser et al., 2012).

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larval serotonergic anterior ventromedial SE2 neuron [FBbt_00047321]

Larval serotonergic SE2 neuron whose cell body is located in the maxillary segment, in an anterior ventromedial position. There are usually three of these cells. They cells bifurcate close to the cell body, sending branches ipsilaterally and contralaterally. The ipsilateral branch remains restricted to the ventromedial part of the ipsilateral subesophageal zone. The contralateral branch splits more extensively to innervate more of the contralateral subesophageal zone (Huser et al., 2012. (Valles and White, 1988, Huser et al., 2012, Giang et al., 2011)

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larval serotonergic anterior ventromedial SE3 neuron [FBbt_00047323]

Larval serotonergic SE3 neuron whose cell body is located in the labial segment, in an anterior ventromedial position. There are usually three of these cells. They cells bifurcate close to the cell body, sending branches ipsilaterally and contralaterally. The ipsilateral branch remains restricted to the ventromedial part of the ipsilateral subesophageal zone. The contralateral branch splits more extensively to innervate more of the contralateral subesophageal zone (Huser et al., 2012).

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larval serotonergic anterior ventromedial SE3 neuron [FBbt_00047323]

Larval serotonergic SE3 neuron whose cell body is located in the labial segment, in an anterior ventromedial position. There are usually three of these cells. They cells bifurcate close to the cell body, sending branches ipsilaterally and contralaterally. The ipsilateral branch remains restricted to the ventromedial part of the ipsilateral subesophageal zone. The contralateral branch splits more extensively to innervate more of the contralateral subesophageal zone (Huser et al., 2012. (Huser et al., 2012, Giang et al., 2011, Valles and White, 1988)

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larval serotonergic IP1 neuron 1 [FBbt_00110939]

Larval serotonergic IP neuron whose cell body is located anteriorly to the dorsal basolateral protocerebrum. A primary neurite projects to and innervates the antennal lobe. Another process projects dorsally to innervate the lateral and medial region of the posterior brain, including the region around the mushroom body. A single neurite crosses the midline and arborizes in the contralateral antennal lobe.

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larval serotonergic IP1 neuron 1 [FBbt_00110939]

Larval serotonergic IP neuron whose cell body is located anteriorly to the dorsal basolateral protocerebrum. A primary neurite projects to and innervates the antennal lobe. Another process projects dorsally to innervate the lateral and medial region of the posterior brain, including the region around the mushroom body. A single neurite crosses the midline and arborizes in the contralateral antennal lobe. (Valles and White, 1988, Huser et al., 2012)

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larval serotonergic IP1 neuron 2 [FBbt_00110941]

Larval serotonergic IP neuron whose cell body is located anteriorly to the dorsal basolateral protocerebrum. A primary neurite projects to and innervates the antennal lobe. Another process projects dorsally to innervate the lateral and medial region of the posterior brain, including the region around the mushroom body. A single neurite crosses the midline and arborizes extensively in the contralateral posterior dorsolateral and anterior basolateral regions.

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larval serotonergic IP1 neuron 2 [FBbt_00110941]

Larval serotonergic IP neuron whose cell body is located anteriorly to the dorsal basolateral protocerebrum. A primary neurite projects to and innervates the antennal lobe. Another process projects dorsally to innervate the lateral and medial region of the posterior brain, including the region around the mushroom body. A single neurite crosses the midline and arborizes extensively in the contralateral posterior dorsolateral and anterior basolateral regions. (Huser et al., 2012)

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larval serotonergic posterolateral SE2 neuron [FBbt_00047322]

Larval serotonergic SE2 neuron whose cell body is located in the maxillary segment, in a more posterolateral position. A side branch of the primary neurite innervates the ventrolateral part of the subesophageal zone, while a second side branch arborizes in its dorsomedial portion before crossing the midline. The contralateral pattern consists of a dorsal process extending laterally to the middle of the neuromere before turning sharply anterior and branching. There are two of these cells.

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larval serotonergic posterolateral SE2 neuron [FBbt_00047322]

Larval serotonergic SE2 neuron whose cell body is located in the maxillary segment, in a more posterolateral position. A side branch of the primary neurite innervates the ventrolateral part of the subesophageal zone, while a second side branch arborizes in its dorsomedial portion before crossing the midline. The contralateral pattern consists of a dorsal process extending laterally to the middle of the neuromere before turning sharply anterior and branching. There are two of these cells. (Huser et al., 2012)

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larval serotonergic posterolateral SE3 neuron [FBbt_00047324]

Larval serotonergic SE3 neuron whose cell body is located in the labial segment, in a more posterolateral position. A side branch of the primary neurite innervates the ventrolateral part of the subesophageal zone, while a second side branch arborizes in its dorsomedial portion before crossing the midline. The contralateral pattern consists of a dorsal process extending laterally to the middle of the neuromere before turning sharply anterior and branching.

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larval serotonergic posterolateral SE3 neuron [FBbt_00047324]

Larval serotonergic SE3 neuron whose cell body is located in the labial segment, in a more posterolateral position. A side branch of the primary neurite innervates the ventrolateral part of the subesophageal zone, while a second side branch arborizes in its dorsomedial portion before crossing the midline. The contralateral pattern consists of a dorsal process extending laterally to the middle of the neuromere before turning sharply anterior and branching. (Huser et al., 2012)

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larval serotonergic SE0 neuron [FBbt_00111310]

Larval serotonergic neuron whose cell body is located anterior to the SE1 in a cluster of four per hemisphere in the dorsal tip of the subesophageal zone, in the tritocerebrum (Shimada-Niwa and Niwa, 2014). All four neurons exit the brain via the antennal nerve, which is close to their soma location, and follow it to the frontal nerve junction before taking different routes (Shimada-Niwa and Niwa, 2014). One projects anteriorly to the pharyngeal muscle, the other three innervate the prothoracic gland and the proventriculus (Shimada-Niwa and Niwa, 2014).

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larval serotonergic SE0 neuron [FBbt_00111310]

Larval serotonergic neuron whose cell body is located anterior to the SE1 in a cluster of four per hemisphere in the dorsal tip of the subesophageal zone, in the tritocerebrum (Shimada-Niwa and Niwa, 2014. All four neurons exit the brain via the antennal nerve, which is close to their soma location, and follow it to the frontal nerve junction before taking different routes (Shimada-Niwa and Niwa, 2014. One projects anteriorly to the pharyngeal muscle, the other three innervate the prothoracic gland and the proventriculus (Shimada-Niwa and Niwa, 2014. (Shimada-Niwa and Niwa, 2014, Huser et al., 2012, Miroschnikow et al., 2018)

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larval serotonergic SE0 neuron of enteric nervous system [FBbt_00048504]

Larval SE0 neuron that projects posteriorly to the enteric nervous system via the recurrent nerve (Miroschnikow et al., 2018). It receives synaptic input from sensory neurons in the anterior AV compartment of the subesophageal ganglion (Miroschnikow et al., 2018). It innervates the prothoracic gland and the proventriculus (Shimada-Niwa and Niwa, 2014). There are three of these neurons per hemisphere (Miroschnikow et al., 2018).

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larval serotonergic SE0 neuron of enteric nervous system [FBbt_00048504]

Larval SE0 neuron that projects posteriorly to the enteric nervous system via the recurrent nerve (Miroschnikow et al., 2018. It receives synaptic input from sensory neurons in the anterior AV compartment of the subesophageal ganglion (Miroschnikow et al., 2018. It innervates the prothoracic gland and the proventriculus (Shimada-Niwa and Niwa, 2014. There are three of these neurons per hemisphere (Miroschnikow et al., 2018. (Miroschnikow et al., 2018, Shimada-Niwa and Niwa, 2014)

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larval serotonergic SE0 neuron of pharynx [FBbt_00048503]

Larval SE0 neuron that projects anteriorly to the pharynx. It receives synaptic input from sensory neurons in the posterior AV compartment of the subesophageal ganglion (Miroschnikow et al., 2018). It projects anteriorly to the pharyngeal muscle, fasciculating with the frontal nerve (Shimada-Niwa and Niwa, 2014, Miroschnikow et al., 2018). There is one of these neurons per hemisphere (Miroschnikow et al., 2018).

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larval serotonergic SE0 neuron of pharynx [FBbt_00048503]

Larval SE0 neuron that projects anteriorly to the pharynx. It receives synaptic input from sensory neurons in the posterior AV compartment of the subesophageal ganglion (Miroschnikow et al., 2018. It projects anteriorly to the pharyngeal muscle, fasciculating with the frontal nerve (Shimada-Niwa and Niwa, 2014, Miroschnikow et al., 2018. There is one of these neurons per hemisphere (Miroschnikow et al., 2018. (Shimada-Niwa and Niwa, 2014, Miroschnikow et al., 2018)

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larval serotonergic SE2 neuron [FBbt_00110950]

Larval serotonergic SE neuron whose cell body is located in the maxillary segment. Approximately three of these, identified by Valles and White, 1988, have cell bodies in an anterior ventromedial position. An additional two, identified by Huser et al., 2012, have smaller cell bodies and are in a more posterolateral position.

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larval serotonergic SE2 neuron [FBbt_00110950]

Larval serotonergic SE neuron whose cell body is located in the maxillary segment. Approximately three of these, identified by Valles and White, 1988, have cell bodies in an anterior ventromedial position. An additional two, identified by Huser et al., 2012, have smaller cell bodies and are in a more posterolateral position. (Valles and White, 1988, Huser et al., 2012)

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larval serotonergic SE3 neuron [FBbt_00110952]

Larval serotonergic SE neuron whose cell body is located in the labial segment. Approximately three of these, identified by Valles and White, 1988, have cell bodies in an anterior ventromedial position. An additional two, identified by Huser et al., 2012, have smaller cell bodies and are in a more posterolateral position.

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larval serotonergic SE3 neuron [FBbt_00110952]

Larval serotonergic SE neuron whose cell body is located in the labial segment. Approximately three of these, identified by Valles and White, 1988, have cell bodies in an anterior ventromedial position. An additional two, identified by Huser et al., 2012, have smaller cell bodies and are in a more posterolateral position. (Huser et al., 2012, Valles and White, 1988)

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larval serotonergic SP1 neuron [FBbt_00110954]

Larval serotonergic SP neuron whose cell body is located in the anterodorsal cortex (Valles and White, 1988). The primary neurite projects ventrally and bifurcates in the posterior basomedial region, broadly innervating both the ipsi- and contralateral basomedial region (Huser et al., 2012). There are usually two neurons of this type (Giang et al,. 2011).

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larval serotonergic SP1 neuron [FBbt_00110954]

Larval serotonergic SP neuron whose cell body is located in the anterodorsal cortex (Valles and White, 1988. The primary neurite projects ventrally and bifurcates in the posterior basomedial region, broadly innervating both the ipsi- and contralateral basomedial region (Huser et al., 2012. There are usually two neurons of this type (Giang et al,. 2011). (Valles and White, 1988, Giang et al., 2011, Huser et al., 2012)

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larval serotonergic SP2 neuron [FBbt_00110956]

Larval serotonergic SP neuron whose cell body is located posterior to the medial lobes of the mushroom bodies, posterior to the cell bodies of SP1 neurons (Valles and White, 1988; Huser et al., 2012). There are usually three to four neurons of this type (Giang et al,. 2011; Huser et al., 2012).

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larval serotonergic SP2 neuron [FBbt_00110956]

Larval serotonergic SP neuron whose cell body is located posterior to the medial lobes of the mushroom bodies, posterior to the cell bodies of SP1 neurons (Valles and White, 1988; Huser et al., 2012. There are usually three to four neurons of this type (Giang et al,. 2011; Huser et al., 2012. (Huser et al., 2012, Valles and White, 1988, Giang et al., 2011)

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larval serotonergic SP2 neuron 1 [FBbt_00110958]

Larval serotonergic SP2 neuron that projects ipsilaterally and innervates the dorsomedial and basomedial regions, next to the vertical mushroom body lobes. From there, neurites extend contralaterally to sparsely innervate the dorsomedial and basomedial regions (Huser et at., 2012). It receives input predominantly in the ipsilateral protocerebrum and has outputs in the contralateral optic neuropil (Larderet et al., 2017).

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larval serotonergic SP2 neuron 1 [FBbt_00110958]

Larval serotonergic SP2 neuron that projects ipsilaterally and innervates the dorsomedial and basomedial regions, next to the vertical mushroom body lobes. From there, neurites extend contralaterally to sparsely innervate the dorsomedial and basomedial regions (Huser et at., 2012). It receives input predominantly in the ipsilateral protocerebrum and has outputs in the contralateral optic neuropil (Larderet et al., 2017. (Huser et al., 2012, Valles and White, 1988, Larderet et al., 2017)

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larval serotonergic T1 neuron 1 [FBbt_00110973]

Larval serotonergic T1 neuron whose cell body is located close to the ventral midline in the first thoracic segment. It branches next to the cell body, with the contralateral branch densely innervating the ventral and lateral regions of the prothoracic neuromere. The ipsilateral branch splits again, with one branch extending to the dorsal border and the other to the midline, sparsely innervating the contralateral side.

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larval serotonergic T1 neuron 1 [FBbt_00110973]

Larval serotonergic T1 neuron whose cell body is located close to the ventral midline in the first thoracic segment. It branches next to the cell body, with the contralateral branch densely innervating the ventral and lateral regions of the prothoracic neuromere. The ipsilateral branch splits again, with one branch extending to the dorsal border and the other to the midline, sparsely innervating the contralateral side. (Valles and White, 1988, Huser et al., 2012)

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larval serotonergic T1 neuron 2 [FBbt_00110974]

Larval serotonergic T1 neuron whose cell body is located close to the ventral midline in the first thoracic segment. It bifurcates into an ipsi- and contralateral branch. The former splits again and innervates the ipsilateral hemineuromere completely from ventral to dorsal. The contralateral branch arborizes less extensively in the ventromedial region.

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larval serotonergic T1 neuron 2 [FBbt_00110974]

Larval serotonergic T1 neuron whose cell body is located close to the ventral midline in the first thoracic segment. It bifurcates into an ipsi- and contralateral branch. The former splits again and innervates the ipsilateral hemineuromere completely from ventral to dorsal. The contralateral branch arborizes less extensively in the ventromedial region. (Valles and White, 1988, Huser et al., 2012)

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larval serotonergic T2 neuron [FBbt_00110966]

Larval serotonergic thoracic neuron whose cell body is located close to the ventral midline in the second thoracic segment. Huser et al., (2012) mentions that these neurons have a similar morphology to the serotonergic abdominal ones (A1-A7), though no detailed description is provided.

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larval serotonergic T3 neuron [FBbt_00110963]

Larval serotonergic thoracic neuron whose cell body is located close to the ventral midline in the third thoracic segment. Huser et al., (2012) mentions that these neurons have a similar morphology to the serotonergic abdominal ones (A1-A7), though no detailed description is provided.

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larval serotonergic thoracic neuron [FBbt_00047345]

Larval serotonergic neuron whose cell body is located in a bilaterally-paired cluster in one of the thoracic neuromeres, ventral to the CI tract (Vomel and Wegener, 2008). There are two per side in T2 and T3 and three per side in T1 (Vomel and Wegener, 2008). (Valles and White, 1988, Giang et al., 2011, Vömel and Wegener, 2008)

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larval serotonergic VNC neuron [FBbt_00005134]

Larval serotonergic neuron with its soma in the ventral ventral nerve cord. There is a pair of these neurons (one medial, one lateral) in each T2 to A7 hemineuromere, a cluster of three per side in T1, and one on each side in A8. (Lundell and Hirsh, 1994, Vömel and Wegener, 2008, Lundell and Hirsh, 1998)

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LBO5HT [FBbt_00053238]

Adult serotonergic neuron with a large cell body near the midline in the posterior protocerebrum and bilateral extensions to the optic lobes (Nassel et al., 1988; Kolodziejczyk et al., 2011). In the optic lobes, it arborizes in the lobula, lobula plate and medulla synaptic neuropils (Kolodziejczyk et al., 2011). Its axon runs past the medulla and passes through the first optic chiasma to innervate a layer just distal to the lamina synaptic neuropil (Kolodziejczyk et al., 2011). There is one of these cells per hemisphere (Nassel et al., 1988; Kolodziejczyk et al., 2011). (Kolodziejczyk and Nässel, 2011, Nässel, 1988)

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mushroom body dorsal paired medial cell [FBbt_00005780]

A serotonergic (Lee et al., 2011) and GABAergic (Haynes et al., 2015) mushroom body intrinsic neuron of the adult whose large cell body (~12um) is located in the dorsal posterior medial area of the brain, ventromedial to the calyx (Waddell et al., 2000; Tanaka et al., 2008). There is one of these cells per hemisphere and it innervates the entire ipsilateral mushroom body lobe system and distal pedunculus (Tanaka et al., 2008; Li et al., 2020). Its cell body fiber bifurcates in the superior neuropils, with one branch entering the tip of the gamma lobe and the other branching to enter at the base of the alpha lobe/lateral gamma lobe and the tip of the alpha’ lobe (Waddell et al., 2000; Tanaka et al., 2008). It is synapsed to and by Kenyon cells throughout the mushroom body lobes and also has outputs to dopaminergic mushroom body input neurons (DANs) and mushroom body output neurons (MBONs) (Takemura et al., 2017; Li et al., 2020). This neuron is also electrically connected to the mushroom body anterior paired lateral cell (Wu et al., 2011). It is involved in sleep and memory consolidation (Haynes et al., 2015). Pre-synaptic terminals were identified using the pre-synaptic marker Bruchpilot in DPM neurons genetically labelled with the c316-GAL4 driver [FBti0017056] (Pitman et al., 2011). Electrical connectivity was inferred using dye coupling (Wu et al., 2011). Neurotransmitter release was assessed by immunostaining to two different serotonergic antibodies: 5HT and Ddc (Lee et al., 2011). Detectable by its large amn-expressing cell body (Waddell et al., 2000).

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SAbg [FBbt_00110663]

Male-specific, serotonergic neuron that is located in the posterior region of the abdominal ganglion. It expresses the male isoform of fruitless. There are eight of these neurons per organism in a dorsal cluster and they have relatively large cell bodies. They fasciculate with the abdominal nerve trunk and innervate the male reproductive organs. Members of this group innervate the testicular ducts, seminal vesicles, accessory glands and/or an anterior part of the ejaculatory duct. (Lee et al., 2001, Castellanos et al., 2013, Lee and Hall, 2001, Billeter and Goodwin, 2004)

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SAD039 [FBbt_20002248]

Adult descending neuron of the SAD039 group, with its soma in the brain, anterior to the antennal mechanosensory and motor center (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the gnathal ganglia, the ipsilateral vest, the ipsilateral wedge and the saddle (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the gnathal ganglia (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024, Schlegel et al., 2024)

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serotonergic abdominal giant (male) neuron [FBbt_00110663]

Male-specific, serotonergic neuron that is located in the posterior region of the abdominal ganglion. It expresses the male isoform of fruitless. There are eight of these neurons in a dorsal cluster and they have relatively large cell bodies. They fasciculate with the abdominal nerve trunk and innervate the male reproductive organs. Members of this group innervate the testicular ducts, seminal vesicles, accessory glands and/or an anterior part of the ejaculatory duct.

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serotonergic abdominal giant (male) neuron 1 [FBbt_00048428]

Serotonergic abdominal giant (male) neuron that is also dopaminergic. There are approximately four of these cells and they play a role in regulating copulation duration (Jois et al., 2018). May be equivalent to or overlap with adult dorsal posterior Ilp7 (male) neuron - FBbt:00111305 [FBC:CP].

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serotonergic corpus cardiacum innervating neuron CC/A [FBbt_00007466]

Serotonergic neuron that fasciculates with the nervus corporis cardiaci I (NccI) and arborizes in the corpus cardiacum and along the aorta. The origin of these fibers is most likely the ventricular ganglion (Siegmund and Korge, 2001).

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serotonergic IP1 neuron 1 [FBbt_00110938]

Serotonergic IP neuron whose cell body is located anteriorly to the dorsal basolateral protocerebrum. A primary neurite projects to and innervates the antennal lobe. Another process projects dorsally to innervate the lateral and medial region of the posterior brain, including the region around the mushroom body. A single neurite crosses the midline and arborizes in the contralateral antennal lobe.

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serotonergic IP1 neuron 1 [FBbt_00110938]

Serotonergic IP neuron whose cell body is located anteriorly to the dorsal basolateral protocerebrum. A primary neurite projects to and innervates the antennal lobe. Another process projects dorsally to innervate the lateral and medial region of the posterior brain, including the region around the mushroom body. A single neurite crosses the midline and arborizes in the contralateral antennal lobe. (Huser et al., 2012, Valles and White, 1988, Roy et al., 2007)

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serotonergic SE0 neuron [FBbt_00111309]

Serotonergic neuron whose cell body is located anterior to the SE1 cluster. In the larva, there is one cluster on either side of the ventral midline in the dorsal tip of the subesophageal zone, in the tritocerebrum. There around 4 cells in this cluster, 3 of which innervate the prothoracic gland.

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serotonergic SE0 neuron [FBbt_00111309]

Serotonergic neuron whose cell body is located anterior to the SE1 cluster. In the larva, there is one cluster on either side of the ventral midline in the dorsal tip of the subesophageal zone, in the tritocerebrum. There around 4 cells in this cluster, 3 of which innervate the prothoracic gland. (Huser et al., 2012, Shimada-Niwa and Niwa, 2014)

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serotonergic SE1 neuron [FBbt_00001980]

Serotonergic neuron whose cell body is located in one of 3 clusters on either side of the ventral midline of the mandibular segment. Axons from this cluster cross the midline in the mandibular segment. In the adult they are located adjacent to the esophagus foramen. There are 2 cells in this cluster. (Valles and White, 1988)

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serotonergic SP1 neuron [FBbt_00007339]

Serotonergic neuron whose cell body is located in the anterodorsal brain, in a cluster anterior to the serotonergic SP2 neurons. There are approximately two cells in the larva and two to three cells in the adult (Giang et al., 2011). The name SP1 is more commonly used to refer to an unrelated neuron (FBbt:00001367) that contributes to the ventral nerve cord in the larva.

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SLP403 [FBbt_20002797]

Adult brain-intrinsic neuron of the SLP403 group, with its soma in the brain, dorsal to the superior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral superior lateral protocerebrum and the contralateral superior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the contralateral superior lateral protocerebrum and the contralateral superior medial protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 4 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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SLP444 [FBbt_20002838]

Adult brain-intrinsic neuron of the SLP444 group, with its soma in the brain, dorsal to the mushroom body calyx (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral superior lateral protocerebrum and the contralateral superior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral superior lateral protocerebrum and the contralateral superior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 4 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Eckstein et al., 2024, Dorkenwald et al., 2024)

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SMP001 [FBbt_20002863]

Adult brain-intrinsic neuron of the SMP001 group, with its soma in the brain, anterior-lateral to the lateral horn (Schlegel et al., 2024; Dorkenwald et al., 2024. It is a putative embryonic-born neuron (Schlegel et al., 2024; Dorkenwald et al., 2024. It has postsynapses in the ipsilateral superior medial protocerebrum, the ipsilateral superior lateral protocerebrum and the ipsilateral superior clamp (Schlegel et al., 2024; Dorkenwald et al., 2024. It has presynapses in the ipsilateral superior lateral protocerebrum, the ipsilateral superior medial protocerebrum, the ipsilateral superior clamp and the ipsilateral lateral horn (Schlegel et al., 2024; Dorkenwald et al., 2024. Its predicted neurotransmitter is serotonin (Eckstein et al., 2024. There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024. (Dorkenwald et al., 2024, Eckstein et al., 2024)

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Trh-F-600017 [VFB_00014123]

OutAge: Adult 5~15 days [Trh-F-600017; adult antennal lobe; antler; superior clamp; expression pattern fragment; superior medial protocerebrum; superior lateral protocerebrum; adult lateral horn; expresses; confocal microscopy; P{Trh-GAL4.long} expression pattern; FlyCircuit 1.0; adult CSD interneuron; female organism; adult brain; adult brain template JFRC2; calyx of adult mushroom body; P{Trh-GAL4.long}; posterior lateral protocerebrum; is part of; JRC2018Unisex; overlaps]

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