part of innervates adult brain adult lateral horn primary neurite tract adult posterior dorsal primary neurite tract 3 2020-04-29T12:00:00Z PDL13 FBbt:00049313 adult PD3 primary neurite tract fly_anatomy.ontology VFB:FBbt_00049313 Primary neurite tract of the posterior dorsal (PD) adult brain in the third clockwise position (from posterior perspective), from ventrolateral to dorsal to ventromedial, of PD tracts that enter the lateral horn (Frechter et al., 2019). Lateral horn neurons that enter the neuropil via this tract are predominantly local neurons (Frechter et al., 2019). Neurons of this type are larval-born (secondary neurons) and belong to the dorsal hemilineage of neuroblast LHd2 (DPLm2) (Schlegel et al., 2021).