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单词 enkephalin
释义 enkephalin
 /en kef"euh lin/, n. Biochem.
 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.
 [1970-75; < Gk enképhal(os) ENCEPHALON + -IN2]
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