enkephalin

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en·keph·a·lin

 (ĕn-kĕf′ə-lĭn)
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 + kephalē, head; see ghebh-el- in Indo-European roots) + -in.]

enkephalin

(ɛnˈkɛfəlɪn) or

enkephaline

;

encephalin

(ɛnˈsɛfəlɪn) or

encephaline

n
(Biochemistry) a chemical occurring in the brain, having effects similar to those of morphine. See also endorphin

en•keph•al•in

(ɛnˈkɛf ə lɪn)

n.
either of two polypeptides that bind to morphine receptors in the central nervous system and have opioid properties of relatively short duration. Compare endorphin.
[1970–75; < Greek enképhal(os) encephalon + -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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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