Origin of Met enkephalin
First recorded in 1975–80
Definition for metenkephalin (2 of 2)
enkephalin
[ en-kef-uh-lin ]
/ ɛnˈkɛf ə lɪn /
noun Biochemistry.
either of two pentapeptides that bind to morphine receptors in the central nervous system and have opioid properties of relatively short duration; one pentapeptide (Met enkephalin) has the amino acid sequence Tyr-Gly-Gly-Phe-Met and the other (Leu enkephalin) has the sequence Tyr-Gly-Gly-Phe-Leu.
Origin of enkephalin
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for metenkephalin
enkephalin
encephalin (ɛnˈsɛfəlɪn)
/ (ɛnˈkɛfəlɪn) /
noun
a chemical occurring in the brain, having effects similar to those of morphineSee also endorphin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medicine definitions for metenkephalin (1 of 2)
metenkephalin
[ mĕt′ĕn-kĕf′ə-lĭn ]
n.
An enkephalin that has a terminal methionine residue and occurs naturally as one of two such pentapeptides that are formed in the brain.
Medicine definitions for metenkephalin (2 of 2)
enkephalin
[ ĕn-kĕf′ə-lĭn ]
n.
Either of two closely related pentapeptides having opiate qualities and occurring especially in the brain and spinal cord.
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