Definition of enkephalin in English:

enkephalin

Line breaks: en|keph|alin
Pronunciation: /ɛnˈkɛf(ə)lɪn
 
/
(also encephalin)

noun

Biochemistry
  • Either of two peptide compounds occurring naturally in the brain, related to the endorphins and having similar physiological effects.
    More example sentences
    • Within a few years, researchers had isolated two classes of peptide molecules, the enkephalins and the endorphins.
    • Belief and expectation, cardinal components of hope, can block pain by releasing the brain's endorphins and enkephalins, thereby mimicking the effect of morphine.
    • Endorphin and enkephalins are released, creating a euphoric effect.

Origin

1970s: from Greek enkephalos 'brain' (from en- 'in' + kephalē 'head') + -in1.

More definitions of enkephalin

Definition of enkephalin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea