IB029 [FBbt_20001206]

Adult visual centrifugal neuron of the IB029 group, with its soma in the brain, dorsal to the antler (Schlegel et al., 2024; Dorkenwald et al., 2024). It belongs to the DM1 posterior hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024). It has postsynapses in the contralateral medulla, the ipsilateral superior posterior slope, the contralateral superior posterior slope, the ipsilateral inferior bridge, the ipsilateral inferior posterior slope, the contralateral inferior posterior slope and the contralateral inferior bridge (Schlegel et al., 2024; Dorkenwald et al., 2024). It has presynapses in the contralateral medulla and the contralateral superior posterior slope (Schlegel et al., 2024; Dorkenwald et al., 2024). Its predicted neurotransmitter is acetylcholine (Eckstein et al., 2024). There are approximately 2 of these cells per organism (Schlegel et al., 2024; Dorkenwald et al., 2024).
IB029 IB029 IB029 IB029

IB029

ID: FBbt_20001206

Adult Cholinergic Visual system lineage DM1 DPMm1

Adult visual centrifugal neuron of the IB029 group, with its soma in the brain, dorsal to the antler (Schlegel et al., 2024; Dorkenwald et al., 2024). It belongs to the DM1 posterior hemilineage (Schlegel et al., 2024; Dorkenwald et al., 2024). It has postsynapses in the contralateral medulla, the ipsilateral superior posterior slope, the contralateral superior posterior slope, the ipsilateral inferior bridge, the ipsilateral inferior posterior slope, the contralateral inferior posterior slope and the contralateral inferior bridge (Schlegel et al., 2024; Dorkenwald et al., 2024). It has presynapses in the contralateral medulla and the contralateral superior posterior slope (Schlegel et al., 2024; Dorkenwald et al., 2024). Its predicted neurotransmitter is acetylcholine (Eckstein et al., 2024). There are approximately 2 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
MeVC9 related synonym doi_10_1038_s41586-025-08746-0
IB029 exact synonym Scheffer et al., 2020
cM12 exact synonym Bates et al., 2025
cM12 exact synonym Schlegel et al., 2024
MeVC9 exact synonym Berg et al., 2025
MeVC9 related synonym
MeVC9 exact synonym Nern et al., 2025