Term Name:	proboscis extension reflex
Synonyms:	behavioral response to nutritional stimulus, proboscis extension, proboscis extension in response to nutritional stimulus
Definition:	The extension, through direct muscle actions, of the proboscis (the trunk-like extension of the mouthparts on the adult external head) in response to a nutritional stimulus.
Ontology:	GO: Biological Process [GO:0007637]    QuickGO    AmiGO