en·keph·a·lin ( n-kf  -l n)n. Either of two closely related pentapeptides having opiate qualities and occurring in the brain, spinal cord, and other parts of the body. [Greek enkephalos, in the head (en-, in; see en in Indo-European roots + kephal  , head; see ghebh-el- in Indo-European roots) + -in.] |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | enkephalin - an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere endorphin - a neurochemical occurring naturally in the brain and having analgesic properties |
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