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单词 planospore
释义

planosporen.

Brit. /ˈpleɪnə(ʊ)spɔː/, /ˈplanə(ʊ)spɔː/, U.S. /ˈpleɪnəˌspɔr/, /ˈplænəˌspɔr/
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: plano- comb. form2, spore n.
Etymology: < plano- comb. form2 + spore n., after German Planospore (1904 in the passage translated in quot. 1904).
Biology.
A motile spore, a zoospore.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > spore
sporule1819
zoocarp1824
zoospore1842
propagule1858
swarm-spore1859
macrozoospore1875
zygozoospore1881
swarm-cell1882
sporangiospore1889
planospore1904
planont1914
1904 J. McCabe tr. E. Haeckel Wonders of Life 253 Sometimes they [sc. the spores] have one or more lashes which enable them to swim about (rambling-spores or planospores).
1950 E. A. Bessey Morphol. & Taxon. Fungi i. 5 The motile naked zoospores..may be called planospores.
1974 Bull. Torrey Bot. Club 101 311/1 Synchytrium macrosporum, an obligate parasite, is a species of the short-cycled subgenus Pycnochytrium, whose initial cell, derived from an infecting planospore, develops directly into a dormant prosorus.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1904
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