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单词 agamont
释义

agamontn.

Brit. /eɪˈɡamənt/, U.S. /eɪˈɡæmənt/
Origin: A borrowing from German. Etymon: German Agamont.
Etymology: < German Agamont (M. Hartmann 1904, in Biol. Centralbl. 24 25) < a- a- prefix6 + Gamont gamont n. Compare gamont n.
Biology.
In protozoans, esp. (in later use) foraminiferans: a cell that divides asexually to form daughter cells. Cf. schizont n.
ΘΚΠ
the world > animals > invertebrates > protozoa > [noun] > member of > parts of > cell that divides asexually
schizont1900
agamont1911
macroschizont1912
1911 Proc. Pathol. Soc. Philadelphia 14 54 At the time when the agamonts are formed the fever sets in.
1940 L. H. Hyman Invertebr. I. iii. 144 The growing vegetative parasite is called a trophozoite. When this..undergoes multiple fission directly into agametes, it is called a schizont or agamont.
1973 K. G. Grell Protozool. 137 In Foraminifera..the agamonts, after meiosis, as well as the gamonts reproduce by multiple fission.
2000 K. Mikami in J. J. Tarín & A. Cano Fertilization Protozoa & Metazoan Animals i. 13 The agamonts leave the shell soon after nuclear differentiation.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
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n.1911
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