SMP558 [FBbt_20003420]

Adult brain-intrinsic neuron of the SMP558 group, with its soma in the brain, posterior to the posterior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024). It belongs to the VLPl&p1 posterior hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024). It has postsynapses in the ipsilateral superior medial protocerebrum, the ipsilateral superior intermediate protocerebrum, the ipsilateral posterior lateral protocerebrum, the ipsilateral inferior clamp, the ipsilateral posterior ventrolateral protocerebrum and the ipsilateral anterior ventrolateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024). It has presynapses in the ipsilateral superior medial protocerebrum and the ipsilateral superior intermediate protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024). Its predicted neurotransmitter is acetylcholine (Eckstein et al., 2024). There are approximately 4 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024).
SMP558 SMP558 SMP558 SMP558

SMP558

ID: FBbt_20003420

Adult Cholinergic lineage VLPl&p1 BLVp2

Adult brain-intrinsic neuron of the SMP558 group, with its soma in the brain, posterior to the posterior lateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024). It belongs to the VLPl&p1 posterior hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024). It has postsynapses in the ipsilateral superior medial protocerebrum, the ipsilateral superior intermediate protocerebrum, the ipsilateral posterior lateral protocerebrum, the ipsilateral inferior clamp, the ipsilateral posterior ventrolateral protocerebrum and the ipsilateral anterior ventrolateral protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024). It has presynapses in the ipsilateral superior medial protocerebrum and the ipsilateral superior intermediate protocerebrum (Schlegel et al., 2024; Dorkenwald et al., 2024). Its predicted neurotransmitter is acetylcholine (Eckstein et al., 2024). There are approximately 4 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024).

Uncharacterized putative cell type based on Hemibrain data (Scheffer et al., 2020) and updated using FlyWire (FAFB) data (Dorkenwald et al., 2024; Schlegel et al., 2024). 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. (2024). Other annotations are based on annotations in FlyWire and are available in the supplemental material of Schlegel et al. (2024).

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## Classification

Relationships

Alternative Names

Synonym Scope Reference
aIPg9 exact synonym Berg et al., 2025
SMP558 exact synonym Scheffer et al., 2020
SMP558 exact synonym Bates et al., 2025
SMP558 exact synonym Schlegel et al., 2024
aIPg9 exact synonym

List all available images of SMP558 (12 total)

Thumbnail Name Tags
SMP558_R Adult, lineage_VLPl&p1_BLVp2, Cholinergic
SMP558_R Adult, lineage_VLPl&p1_BLVp2, Cholinergic
aIPg9_L (MaleCNS:30590) Adult, lineage_VLPl&p1_BLVp2, Cholinergic
aIPg9_L (MaleCNS:515009) Adult, lineage_VLPl&p1_BLVp2, Cholinergic
aIPg9_R (MaleCNS:20958) Adult, lineage_VLPl&p1_BLVp2, Cholinergic

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Downstream connectivity classes for SMP558 (192 total)

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Upstream connectivity classes for SMP558 (142 total)

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