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单词 macrogametocyte
释义

macrogametocyten.

Brit. /ˌmakrəʊɡəˈmiːtə(ʊ)sʌɪt/, /ˌmakrəʊˈɡamᵻtəsʌɪt/, U.S. /ˈˌmækroʊɡəˈmidəˌsaɪt/
Origin: Formed within English, by compounding. Etymons: macro- comb. form, gametocyte n. at gameto- comb. form
Etymology: < macro- comb. form + gametocyte n. at gameto- comb. form , after macrogamete n. Compare earlier microgametocyte n.
Biology.
A gametocyte that gives rise to macrogametes.
ΘΚΠ
the world > life > biology > substance > cell > [noun]
cell1665
macrogametocyte1903
1903 E. A. Minchin in E. R. Lankester Treat. on Zool. I. ii. 215 Since..the gametes are differentiated into male elements or microgametes, and female elements or macrogametes, their mother cells must be distinguished further into microgametocytes and macrogametocytes.
1944 R. Matheson Entomol. for Introd. Courses xxii. 538 In the stomach of the mosquito the female gametocyte (the macrogametocyte) also develops into a gamete or egg.
1964 M. Hynes Med. Bacteriol. (ed. 8) xxviii. 440 Whereas the majority of trophozoites follow the asexual cycle, some of them develop into sexual forms known as gametocytes. The gametocytes comprise the male or microgametocyte, and the female or macrogametocyte.
1994 Ultrastructural Pathol. 18 473 Stages of both asexual (trophozoite, schizont, and merozoite) and sexual (macrogametocyte) phases of the life cycle of the parasite were identified in the epithelium.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1903
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