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单词 metacercarial
释义

metacercarialadj.

Brit. /ˌmɛtəsəːˈkɛːrɪəl/, U.S. /ˈˌmɛdəˌsərˈkɛriəl/
Origin: Formed within English, by derivation. Etymons: meta- prefix, cercarial adj. at Cercaria n. Derivatives
Etymology: < meta- prefix + cercarial adj. at Cercaria n. Derivatives, after metacercaria n.
Zoology.
Of, relating to, or caused by a metacercaria or metacercariae; involving metacercariae.
ΚΠ
1926 Biol. Bull. 50 499 The latter investigator..found the metacercarial stage in various medusæ.
1945 T. T. Mackie et al. Man. Trop. Med. xlviii. 395 (heading) The resting or metacercarial stage.
1968 C. W. Schwabe & A. Kilejian in M. Florkin & B. T. Scheer Chem. Zool. II. iii. vi. 505 These glands' cells are also well developed in the metacercarial stage of C. bushiensis.
1983 Parasite Immunol. 5 409 T1-type antigen also occurred in metacercarial tegument.
1999 Infection & Immunity 67 1954 Those sheep that received the cocktail vaccine..were significantly protected (78%) against metacercarial challenge.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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adj.1926
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