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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References in periodicals archive ?
Met-enkephalin is one of the simplest endogenous opioid peptides within the enkephaline family.
An in vitro study of the inhibitory action of methionine enkephaline on ovarian maturation in the red swamp crayfish, Procambarus clarkii.
stimulating the release of endogenous analgesic substances, such as enkephalines and endorphins (an opioid like neurotransmitter) 10 and 2.