Met enkephalin

or Met-en·keph·a·lin

[ met ]
/ mɛt /

noun (sometimes lowercase)

See under enkephalin.

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

1970–75; < Greek enképhal(os) encephalon + -in2

British Dictionary definitions for metenkephalin

enkephalin

encephalin (ɛnˈsɛfəlɪn)

/ (ɛnˈkɛfəlɪn) /

noun

a chemical occurring in the brain, having effects similar to those of morphine See also endorphin

Medical definitions for metenkephalin (1 of 2)

metenkephalin
[ mĕt′ĕn-kĕfə-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.

Medical definitions for metenkephalin (2 of 2)

enkephalin
[ ĕn-kĕfə-lĭn ]

n.

Either of two closely related pentapeptides having opiate qualities and occurring especially in the brain and spinal cord.