part of abdominal segment 4 larval abdominal segment 4 larval transverse nerve larval abdominal 4 transverse nerve 2023-01-11T13:25:46Z https://github.com/FlyBase/drosophila-anatomy-developmental-ontology/issues/1578 FBbt:00052543 larval A4 transverse nerve Larval transverse nerve found in abdominal segment 4. There is no parasympathetic organ at its base and it bifurcates relatively close to its exit point from the ventral nerve cord (Gorczyca et al., 1994; Santos et al., 2006). VFB:FBbt_00052543 fly_anatomy.ontology