part of receives synaptic input from neuron rostrum proboscis muscle 11 ventral motor neuron cibarial muscle proboscis muscle 11 ventral 2022-07-05T13:30:44Z FBbt:00059089 Muscle that inserts on the adult cibarium between proboscis muscles 11 dorsal and 12 dorsal (McKellar et al., 2020). It is positioned to open the pharynx as it contracts (McKellar et al., 2020). It is synapsed by the proboscis muscle 11 ventral motor neuron (McKellar et al., 2020). proboscis muscle 12-1 fly_anatomy.ontology ventral pharyngeal dilator muscle proboscis muscle m11V cibarial muscle 12 rostrum muscle