FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult posterior slope neuron 293 ID (Ontology) FBbt:20002048 (Fly Anatomy)
Definition Adult descending neuron of the PS293 group, with its soma in the brain, posterior 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 ipsilateral superior posterior slope, the ipsilateral inferior clamp, the ipsilateral posterior lateral protocerebrum and the ipsilateral inferior bridge (Schlegel et al., 2024; Dorkenwald et al., 2024). It has presynapses in the ipsilateral superior posterior slope, the gnathal ganglia, the saddle, the ipsilateral inferior clamp, the ipsilateral inferior posterior slope and the ipsilateral posterior lateral protocerebrum (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).[ FlyBase:FBrf0246888 FlyBase:FBrf0259490 FlyBase:FBrf0260535 FlyBase:FBrf0260546 ]
Also Known As "PS293"
Comment 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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VFB:FBbt_20002048
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neuron
 |__primary neuron___________________
cholinergic neuron                   |
 |__adult cholinergic neuron_________|
adult neuron                         |
 |__adult descending neuron__________|
 |__adult cholinergic neuron_________|
 |__adult CNS neuron_________________|
CNS neuron                           |
 |__supraesophageal ganglion neuron__|
 |__adult CNS neuron_________________|
                                     adult posterior slope neuron 293
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Is a supraesophageal ganglion neuron
primary neuron
adult descending neuron
adult cholinergic neuron
adult CNS neuron
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VFB:FBbt_20002048