Term Name:	type III terminal bouton
Synonyms:	type III terminal button
Definition:	Terminal inflated portion of the axon of a non-glutamatergic neuron, containing the specialized apparatus necessary to release neurotransmitters at a regulatory synapse. The axon terminus is considered to be the whole region of thickening and the terminal bouton is a specialized region of it. Type III terminal boutons are larger than type II ones.
Ontology:	GO: Cellular Component [GO:0097467]    QuickGO    AmiGO