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单词 gonotocont
释义

gonotocontn.

/ɡəʊˈnɒtəʊkɒnt/
Forms: Also gonotokont.
Etymology: < German gonotokont (J. P. Lotsy 1904, in Flora XCIII. 70), < gono- comb. form + Greek τοκωντ-, τοκῶν present participle of τοκᾶν to be near delivery.
Biology.
Any cell that may undergo meiosis; also, any organ containing such a cell.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > parent cell
parent cella1836
mother cell1840
pericytula1876
gonocyte1900
gonotocont1909
intermitotic1942
1905 Amer. Naturalist 39 494 Lotsy..proposes the term ‘Gonotokonten’ ..for the mother-cells which inaugurate reduction phenomena.]
1909 A. C. Seward Darwin & Mod. Sci. vi. 105 In the nuclei of all those cells which we may group together as gonotokonts (i.e. cells concerned in reproduction) there are fewer chromosomes than in the adjacent body-cells (somatic cells).
1928 C. W. Dodge tr. E. A. Gäumann Compar. Morphol. Fungi i. 1 The product of fertilization is called a zygote as long as it remains unicellular; it develops into a diplont which forms gonotoconts (organs in which meiosis occurs).
1965 J. Wilkinson tr. M. Langeron Outl. Mycol. (ed. 2) ix. 375 The diplont produces gonotoconts or spore mother cells.
This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2020).
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n.1909
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