neuronal pathways in the retrocerebral complex and thoracico-abdominal ganglionic mass of the blowfly calliphora vomitoria have been identified immunocytochemically with antisera against the extended-enkephalins , met-enkephalin-arg6-phe7 ( met-7 ) and met-enkephalin-arg6-gly7-leu8 ( met-8 ) .
C0014298
enkephalins
C0014295
met-enkephalin