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单词 met-enkephalin
释义

met-enkephalinn.

Brit. /ˌmɛtɛnˈkɛfəlɪn/, U.S. /ˌmɛdɛnˈkɛfəl(ə)n/; see also enkephalin n.
Forms: 1900s– met-enkephalin, 1900s– metenkephalin. Also with capital initial.
Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: Met n.4, enkephalin n.
Etymology: < Met n.4 + enkephalin n., after French met-enképhaline (R. Guillemin et al. 1976, in Compt. rend. D. 282 784). Compare slightly earlier methionine-enkephalin n. at methionine n. Compounds.
Biochemistry.
The enkephalin that terminates in a methionine residue.
ΚΠ
1976 Proc. National Acad. Sci. U.S.A. 73 2156/1 The newly isolated peptides met-enkephalin..and α-endorphin.
1976 Brit. Jrnl. Pharmacol. 58 459 p/1 We have found that iontophoretically applied met-enkephalin..is predominantly depressant.
1985 Sci. Amer. Oct. 119/1 Many features of neuropeptides are exemplified by the two enkephalins... One, called met-enkephalin, ends with methionine and the other, leu-enkephalin, with leucine.
1998 Jrnl. Compar. Neurol. 396 275 In all major subdivisions of the brain, the overwhelming majority of Met-enkephalin- and Leu-enkephalin-immunoreactive cells were distinct.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1976
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