enkephalin


en·keph·a·lin

noun \in-ˈke-fə-lən, -(ˌ)lin, en-\

Definition of ENKEPHALIN

:  either of two pentapeptides with opiate and analgesic activity that occur naturally especially in the brain and have a marked affinity for opiate receptors — compare endorphin

Origin of ENKEPHALIN

enkephal- (alteration of encephal-) + -in
First Known Use: 1975

en·keph·a·lin

noun \in-ˈkef-ə-lən, -(ˌ)lin\   (Medical Dictionary)

Medical Definition of ENKEPHALIN

: either of two pentapeptides with opiate and analgesic activity that occur naturally in the brain and have a marked affinity for opiate receptors: a : leucine-enkephalin b : methionine-enkephalin—compare endorphin

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