part of has soma location receives synaptic input in region sends synaptic output to cell subesophageal zone neuron adult head proboscis muscle cell motor neuron adult motor neuron cell body rind of adult subesophageal zone proboscis muscle motor neuron 2021-03-29T14:15:57Z FBbt:00051180 VFB:FBbt_00051180 fly_anatomy.ontology Motor neuron that innervates a proboscis muscle. It has a large soma in the rind around the subesophageal zone and dendrites in the subesophageal zone (McKellar et al., 2020). Its axon projects to the proboscis via either the labial or pharyngeal nerve (McKellar et al., 2020). adult subesophageal zone