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单词 microsporocyte
释义

microsporocyten.

Brit. /ˌmʌɪkrə(ʊ)ˈspɔːrə(ʊ)sʌɪt/, U.S. /ˌmaɪkroʊˈspɔrəˌsaɪt/
Origin: Formed within English, by compounding. Etymons: micro- comb. form, sporocyte n. at sporo- comb. form .
Etymology: < micro- comb. form + sporocyte n. at sporo- comb. form , after microspore n.
Botany.
A cell that divides to form microspores; a microspore mother cell.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > type of > microspore or microsporange > mother cell that divides to form
microsporocyte1906
1906 Science 26 Jan. 138/1 The reduction of the chromosomes in microsporocytes.
1936 J. B. Hill et al. Botany xviii. 583 The reduction division in the microsporocytes is followed by an equation division in each of the two nuclei.
1977 K. Esau Anat. Seed Plants (ed. 2) xxi. 405/2 The continuity of the microsporocytes is thought to account for the closely synchronous meiosis within a microsporangium frequently observed in angiosperms.
1995 Proc. National Acad. Sci. U.S.A. 92 2110 The most likely sporophytic tissues showing transcription of these genes are diploid microsporocytes or tapetal cells.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1906
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