part of larval abdominal segment 9 central domain of larval A9 neuromere 2018-02-15T09:20:07Z A centrally located neuropil region in larval abdominal segment 9 (A9). The virtual axial plane intersecting the C2/C3 fascicles and the ventro-medial tract throughout the ventral nerve cord separates the central from the ventral domain. The axial plane placed just dorsally of the intermediate commissures and C1 fascicle throughout the ventral nerve cord separates the central from the dorsal domain. larval central abdominal ganglion A9 central neuropil of larval segment A9 FBbt:00007716 VFB:FBbt_00007716 fly_anatomy.ontology neuromeric subdivision of longitudinal domain of CNS