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单词 zoospore
释义

zoosporen.

Brit. /ˈzuː(ə)spɔː/, /ˈzəʊəspɔː/, U.S. /ˈzoʊəˌspɔr/, /ˈzu(ə)ˌspɔr/
Forms: see zoo- comb. form and spore n.
Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: zoo- comb. form, spore n.
Etymology: < zoo- comb. form + spore n., after French zoospore (J. Decaisne 1842, in Ann. des sci. nat.: Botanique 17 307).
Biology.
A motile flagellate spore, as produced by certain algae, fungi, and protozoans. Cf. zoosperm n. 2.macrozoospore, megazoospore, microzoospore, zygozoospore: see the first element.Numerous zoosporic organisms are pathogens causing disease in economically significant plant and animal species.
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
the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > type of > zoospore or zoosporangium
zoospore1842
zoosporangium1862
zoosporangiophore1889
1842 Ann. & Mag. Nat. Hist. 10 341 What may be the purpose served in the œconomy of the plant by this motion of zoospores?
1858 E. Lankester & W. B. Carpenter Veg. Physiol. (new ed.) §767 For the propagation of their kind,..the Confervæ have two different modes; the one being the liberation of moving particles, termed zoospores, from the interior of the cells.
1890 Jrnl. N.Y. Microsc. Soc. 6 70 The..zoospores..have swarmed, and escaped, or been emitted from their sporangium, or generative sac.
1948 Amer. Jrnl. Bot. 35 247/1 The zoospores may also be unusually large.
1987 R. L. Fletcher Seaweeds Brit. Isles III. i. 36 For the great majority of algae the spores, often referred to as zoospores or swarmers, are motile.
2010 Cornish Guardian (Nexis) 14 July 46 You only need a few zoospores to reach potato tubers to suffer significant and damaging blight infections.

Derivatives

zooˈsporous adj. producing zoospores; of the nature of, or effected by zoospores; = zoosporic adj.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > spore
formalc1400
sporular1819
zoosporous1845
zoosporic1854
polysporous1858
polyspored1882
sporulating1897
sporulated1898
polyzoic1901
zygosporic1906
polyspore1959
propagular1967
1845 A. H. Hassall Hist. Brit. Freshwater Algæ I. 25 The contents of the undoubted zoosporous Algæ are.., for the most part, fluid.
1859 Todd's Cycl. Anat. & Physiol. V. 212/2 The occurrence of zoosporous reproduction under the most simple conditions.
1975 Amer. Jrnl. Bot. 62 349/1 Somatic nuclear divisions in aquatic zoosporous fungi.
This entry has been updated (OED Third Edition, June 2017; most recently modified version published online June 2022).
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n.1842
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