part of innervates adult brain adult lateral horn primary neurite tract adult posterior ventral primary neurite tract 7 2020-04-29T12:00:00Z FBbt:00049294 PVL04 adult PV7 primary neurite tract VFB:FBbt_00049294 fly_anatomy.ontology Primary neurite tract of the posterior ventral (PV) adult brain in the seventh clockwise position (from posterior perspective), from ventrolateral to dorsal to ventromedial, of PV tracts that enter the lateral horn (Frechter et al., 2019).