fasciculates with synapsed_via_type_Ib_bouton_to sends synaptic output to cell muscle cell of A1-7 dorsal oblique muscle 1 abdominal segment motor neuron larval A1-7-innervating DO1 motor neuron A1-7 MN-DO1 neuron A1-7 MN9-Ib FBbt:00002303 fly_anatomy.ontology FBbt:00110227 VFB:FBbt_00002303 A1-7 U1 motor neuron Larval DO1 motor neuron that innervates a muscle of segments A1-7. Its dendritic arborization occupies the lateral domains of the ventral nerve cord neuropil. It exits the ventral nerve cord via the anterior root of the intersegmental nerve and innervates the DO1 muscle of the next posterior segment to its soma with type Ib boutons (Landgraf et al., 1997; Hoang and Chiba, 2001; Zarin and Labrador, 2019). larval abdominal intersegmental nerve motor neuron larval anterior intersegmental nerve root of A1-7 larval dorsal A1-7-innervating ISN motor neuron larval DO1 motor neuron