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单词 thelyblast
释义

thelyblastn.

/ˈθɛlɪblast//ˈθiːlɪblast/
Etymology: < Greek θῆλυς female + -blast comb. form.
Biology.
The female element of a sexual cell.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > reproductive cell
sexual cell1860
oocyst1875
thelyblast1877
sex cell1889
1877 C. S. Minot in Proc. Boston Soc. Nat. Hist. XIX. 170 The sexual generation may be called genoblasts, the male arsenoblasts, the female thelyblasts (direction cells, nucleoli of Infusoria and spermatozoa).
1890 J. S. Billings National Med. Dict. II Thelyblasts, term proposed by Minot to include mature ova and sperm-blastophores or seminal mother-cells.

Derivatives

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thelyˈblastic adj.
This entry has not yet been fully updated (first published 1912; most recently modified version published online September 2018).
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n.1877
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