larval VA3 motor neuron obsolete A1-7 VA3 motor neuron 2013-01-17T06:37:43Z true Obsoleted due to equivalence with parent class - VA3 motor neuron (All VA3 muscles are in A1-7 - Bate, 1993). No associated curation records as at 2018-07-19. CoR MN-VA3 FBbt:00110260 fly_anatomy.ontology Motor neuron that innervates the external ventral acute muscle 3 of larval abdominal segments A1 to A7. It exits the ventral nerve cord via the segmental nerve root, fasciculating with the SNc nerve branch.