part of innervates mesothoracic nerve adult mesothoracic segment adult posterior dorsal mesothoracic nerve PDMN PDM fly_anatomy.ontology second dorsal nerve VFB:FBbt_00004061 A nerve that arises from the adult ventral nerve cord, just posterior to the root of the anterior dorsal mesothoracic nerve (Power, 1948; Court et al., 2020). It projects posteriolaterally before branching, with one branch innervating the tergal depressor of the trochanter (muscle 66), while the other branch forms further, terminal branches that innervate targets including the dorsal longitudinal indirect flight muscle (Power, 1948; Court et al., 2020). FBbt:00004061 DNv2 adult peripheral nervous system adult mesothoracic neuromere