Collins Concise English Dictionary © HarperCollins Publishers::
encephalin /ɛnˈsɛfəlɪn/ n - a variant of enkephalin
WordReference Random House Unabridged Dictionary of American English © 2024en•keph•al•in (en kef′ə lin),USA pronunciation n. [Biochem.]- Biochemistryeither 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.
- Greek enképhal(os) encephalon + -in2
- 1970–75
Collins Concise English Dictionary © HarperCollins Publishers::
enkephalin /ɛnˈkɛfəlɪn/, encephalin /ɛnˈsɛfəlɪn/ n - a chemical occurring in the brain, having effects similar to those of morphine