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单词 monokaryon
释义

monokaryonn.

Brit. /mɒnə(ʊ)ˈkarɪɒn/, U.S. /ˌmɑnəˈkɛriˌɑn/
Forms: 1900s– monocaryon, 1900s– monokaryon.
Origin: Formed within English, by compounding. Etymons: mono- comb. form, -karyon comb. form.
Etymology: < mono- comb. form + -karyon comb. form. Compare dikaryon n.
Mycology.
The uninucleate, haploid phase of the life cycle of many fungi; the mycelium of this phase.Originally chiefly attributive, designating this phase.
ΘΚΠ
the world > plants > particular plants > fungi > [noun] > parts of > cells and tissue
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weft1875
capsule1883
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metula1915
monokaryon1935
1935 E. A. Bessey Text-bk. Mycol. xii. 323 The secondary mycelium (dicaryon phase) is of far greater importance in the life cycle, the primary mycelium (monocaryon phase) occupying but a short period of the life of the fungus.
1936 Amer. Jrnl. Bot. 23 310/1 Throughout this paper the terms monocaryon mycelium and dicaryon mycelium will be employed instead of the older terms haploid and diploid.
1972 E. Moore-Landecker Fund. Fungi iv. 91 The monokaryon is at first nonseptate.
1996 Biol. Control 7 205 Inoculations of tissue cultures of thimbleberry (Rubus parviflorus) indicated a range of virulence among single-spore isolates (monokaryons) and dikaryons.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1935
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