enkephalin

noun
en·​keph·​a·​lin | \ in-ˈke-fə-lən How to pronounce enkephalin (audio) , -(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

Examples of enkephalin in a Sentence

Recent Examples on the Web

During that time, your body tends to produce less endorphins and enkephalins, which are natural pain-killers, than at any other time of day, according to the National Headache Foundation. Korin Miller, SELF, "6 Causes of Morning Headaches," 24 Aug. 2017

First Known Use of enkephalin

1975, in the meaning defined above

History and Etymology for enkephalin

enkephal- (alteration of encephal-) + -in

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More Definitions for enkephalin

enkephalin

noun
en·​keph·​a·​lin | \ in-ˈkef-ə-lən, -(ˌ)lin How to pronounce enkephalin (audio) \

Medical Definition of enkephalin

: either of two pentapeptide endorphins: