has characteristic synapsed_via_type_Ib_bouton_to develops from sends synaptic output to cell U neuron motor neuron ganglion mother cell GMC7-1a type Ib motor neuron larval internal muscle motor neuron larval DO1 motor neuron 2013-01-17T11:40:37Z U1 motor neuron MN9-Ib Larval motor neuron that innervates the dorsal oblique muscle 1 (muscle 9) via type Ib synapses (Landgraf et al., 1997; Hoang and Chiba, 2001; Meng et al., 2019). It it the first born U neuron, developing from the first ganglion mother cell that differentiates from neuroblast NB7-1 (Cleary and Doe, 2006; Meng et al., 2019; Seroka et al., 2020). It has a bipolar morphology and a contralateral dendritic arbor (Seroka and Doe, 2019; Meng et al., 2019). U1 neuron FBbt:00110225 MN-DO1 neuron fly_anatomy.ontology VFB:FBbt_00110225 muscle cell of dorsal oblique muscle 1 bilateral