has soma location fasciculates with synapsed_via_type_II_bouton_to sends synaptic output to cell A1-7 dorsal acute muscle cell muscle cell of A1-7 dorsal acute muscle 1 muscle cell of A1-7 dorsal acute muscle 2 muscle cell of A1-7 dorsal acute muscle 3 muscle cell of A1-7 lateral longitudinal muscle 1 muscle cell of A1-7 dorsal oblique muscle 1 muscle cell of A1-7 dorsal oblique muscle 2 muscle cell of A1-7 dorsal oblique muscle 3 muscle cell of A1-7 dorsal oblique muscle 4 muscle cell of dorsal oblique muscle 5 muscle cell of A1-7 dorsal transverse muscle 1 abdominal neuron abdominal segment motor neuron larval A1-7-innervating dorsal VUM motor neuron A1-7 dorsal MN-VUM VFB:FBbt_00002239 FBbt:00110296 fly_anatomy.ontology A1-7 MNISN-II Neuromodulatory motor neuron that innervates internal dorsal acute (DA1,2,3) and dorsal oblique (1,2,3,4,5) muscles as well as lateral longitudinal muscle 1 and dorsal transverse muscle 1 of larval abdominal segments A1 to A7 via type II boutons (Hoang and Chiba, 2001). It exits the ventral nerve cord via the posterior root of the intersegmental nerve and fasciculates with the ISNb or ISNd intersegmental nerve branches. These neurons have a similar central arborization pattern to the lateral and ventral VUM neurons of A1-7. They arborize along and dorsal to the dorsal median fascicle and laterally along the dorsal lateral fascicle, invading the next anterior neuromere. In the dorsomedial neuropil, arborizations are sent into at least two (usually three) anterior neuromeres and the adjacent posterior neuromere (Selcho et al., 2012). FBbt:00002239 abdominal VUM1 neuron abdominal dorsal VUM motor neuron motor neuron larval intersegmental nerve branch ISNb of A1-7 larval external muscle motor neuron larval posterior intersegmental nerve root of A1-7 larval dorsal VUM motor neuron cell body rind of larval abdominal neuromere