FB2026_03 , released September 17, 2026
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Term larval A31k neuron ID (Ontology) FBbt:00111665 (Fly Anatomy)
Definition Larval neuron that is part of lineage 31. Its primary neurite extends from the dorsolateral edge of the ventral nerve cord medially, crossing the midline to terminate on the opposite dorsolateral edge. Its ipsilateral arbors are mainly input and its contralateral arbors are mainly output (Schneider-Mizell et al., 2016). It is a GABAergic premotor neuron that outputs to the contralateral RP2 motor neuron (Schneider-Mizell et al., 2016). These neurons are activated in waves during forwards and backwards fictive locomotion (Kohsaka et al., 2019).[ FlyBase:FBrf0231328 FlyBase:FBrf0242656 ]
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VFB:FBbt_00111665
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 larval A31k neuron (all annotations which use CV term, excluding "NOT" statements)
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larval neuron
 |__larval premotor neuron_____
 |__larval GABAergic neuron____|
larval central nervous system  |
 |__larval interneuron_________|
interneuron                    |
 |__larval interneuron_________|
 |__primary interneuron________|
GABAergic neuron               |
 |__larval GABAergic neuron____|
primary neuron                 |
 |__primary interneuron________|
premotor neuron                |
 |__larval premotor neuron_____|
larval CNS neuron              |
 |__larval interneuron_________|
                               larval A31k neuron  1 rec.
                                |__larval abdominal 1 A31k neuron
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Is a larval premotor neuron
larval interneuron
primary interneuron
larval GABAergic neuron
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VFB:FBbt_00111665