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enkephalin |
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enkephalin (ĕnkĕf`əlĭn), one of several naturally occurring morphinelike substances (endorphins endorphins , neurotransmitters found in the brain that have pain-relieving properties similar to morphine. There are three major types of endorphins: beta endorpins, found primarily in the pituitary gland; and enkephalins and dynorphin, both distributed throughout
..... Click the link for more information. ) released from nerve endings of the central nervous system and the adrenal medulla. They act as analgesics and sedatives in the body and appear to affect mood and motivation. enkephalin [en′kef·ə·lən] (biochemistry) A mixture of two polypeptides isolated from the brain; central mode of action is an inhibition of neurotransmitter release. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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