FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term descending neuron of the gnathal ganglion DNg55 ID (Ontology) FBbt:20007500 (Fly Anatomy)
Definition Adult descending neuron with its soma in the gnathal ganglion, ventral-lateral to the prow (Schlegel et al., 2024; Dorkenwald et al., 2024). In the brain, it has postsynapses and presynapses in the gnathal ganglion and the saddle, and postsynapses also in the flange (Schlegel et al., 2024; Dorkenwald et al., 2024). In the VNC, it follows the median dorsal abdominal tract (Sturner et al., 2024). Its predicted neurotransmitter is GABA (Eckstein et al., 2024). There are approximately 1-2 of these cells per organism (Sturner et al., 2024).[ FlyBase:FBrf0259490 FlyBase:FBrf0260535 FlyBase:FBrf0260546 FlyBase:FBrf0260559 ]
Also Known As "adult major bolt protocerebral neuron output descending neuron 3" ; "BDN3 neuron" ; "DNg55" (for all, see Synonyms field below)
Comment Type identified at light level and matched across EM datasets by Sturner et al. (2024). 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. Full name for BDN3 from codex (2025-03-04).
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VFB:FBbt_20007500
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GABAergic neuron
 |__adult GABAergic neuron_____________________
adult neuron                                   |
 |__adult GABAergic neuron_____________________|
adult descending neuron                        |
 |__descending neuron of the gnathal ganglion__|
gnathal ganglion neuron                        |
 |__descending neuron of the gnathal ganglion__|
adult CNS neuron                               |
 |__descending neuron of the gnathal ganglion__|
                                               descending neuron of the gnathal ganglion DNg55
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Is a descending neuron of the gnathal ganglion
adult GABAergic neuron
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VFB:FBbt_20007500