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ENDORPHIN
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A neurochemical occurring naturally in the brain and having analgesic properties
Classified under:
Hypernyms ("endorphin" is a kind of...):
peptide (amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein)
neurochemical (any organic substance that occurs in neural activity)
Hyponyms (each of the following is a kind of "endorphin"):
beta endorphin (an endorphin produced by the pituitary gland that suppresses pain)
enkephalin (an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere)
Context examples:
The known members of this group are alpha-, beta-, and gamma-endorphin.
(Endorphin, NLM, Medical Subject Headings)
Endorphins are peptides (small proteins) that bind to opioid receptors in the central nervous system.
(Endorphin, NCI Dictionary)