[en.keph.a.lin] n [enkephal- (alter. of encephal-) + -in] (1975): either of two pentapeptides with opiate and analgesic activity that occur naturally in the brain and have a marked affinity for opiate receptors--compare endorphin
ENKEPHALIN
Meaning of ENKEPHALIN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012