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单词 gamont
释义

gamontn.

Brit. /ˈɡamɒnt/, U.S. /ˈɡæˌmɑnt/
Origin: A borrowing from German. Etymon: German Gamont.
Etymology: < German Gamont (M. Hartmann 1904, in Biol. Centralbl. 24 25) < gam- (in Gamet gamete n.) + -ont -ont comb. form. Compare earlier schizont n. and sporont n. Compare also agamont n.
Biology.
A protozoan in the sexual stage of its life cycle, during which it gives rise to gametes. Contrasted with agamont.
ΚΠ
1911 Proc. Royal Soc. London 84 114 On the 20th day both agamonts and gamonts were found in the lymphatic glands.
1912 E. A. Minchin Introd. Study Protozoa ix. 181 It would perhaps be better to replace the terms ‘schizont’ and ‘sporont’ by ‘agamont’ and ‘gamont’ respectively.
1957 New Biol. 24 27 Typically there are two distinct generations [in foraminifera], namely a sexual one (the gamont) which alternates with an asexual one (or schizont).
1979 R. McNeill Invertebrates iv. 89 After a small number of these asexual generations the new merozoites become gamonts. They grow within the host cell, but do not divide to form merozoites again. Instead they form gametes.
2006 Jrnl. Parasitol. 92 1330/1 Gamonts, the blood stage of the parasite in their vertebrate hosts, usually parasitize leucocytes in mammals and birds.
This entry has been updated (OED Third Edition, March 2013; most recently modified version published online March 2022).
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n.1911
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