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enkephalin

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
en·keph·a·lin  (n-kf-ln)
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
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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Nicholas Bodor and his colleagues at the University of Florida in Gainesville sandwiched a naturally occurring pain-relief protein called enkephalin between a fatty acid and a molecule that becomes positively charged in the presence of enzymes found in the brain.
Sneaking drugs past the brain's barrier by Science News
Indeed, endorphin and enkephalin production is stimulated by exercise.
Ottawa panel evidence-based clinical practice guidelines for ... by Physical Therapy
According to Isabel Karle, the largest molecule so far analyzed by the direct method is the nervous system peptide, enkephalin, which consists of five amino acids and contains 230 carbon, nitrogen and oxygen atoms.
Chemistry for molecular structure by Miller, Julie Ann / Science News
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