oospore

American  

[oh-uh-spawr, -spohr] / ˈoʊ əˌspɔr, -ˌspoʊr /

noun

Biology.

1. a fertilized egg within an oogonium.

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oospore British  

/ ˈəʊəˌspɔː /

noun

1. a thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi

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oospore Scientific  

/ ō′ə-spôr′ /

1. A fertilized female cell or zygote, especially one with thick chitinous walls, developed from a fertilized oosphere.

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Other Word Forms

• oosporic
  adjective
• oosporous
  adjective

Etymology

Origin of oospore

First recorded in 1860–65; oo- + -spore

Example Sentences

Moreover, as in the Peronospora, conjugation may take place and result in an oospore; the contents of which divide and are set free as monadiform germs.

From Discourses Biological and Geological Essays by Huxley, Thomas Henry

After the production of this oospore the parent filament gradually loses its vitality and slowly decays.

From Scientific American Supplement, No. 460, October 25, 1884 by Various

Reproduction from an oospore formed by the combination of two sexual cells.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

After a period of rest, the contents of the oospore break up into a number of zoospores like those already described, each of which, after a period of activity, germinates in the ordinary way.

From Discourses Biological and Geological Essays by Huxley, Thomas Henry

The product of the union of an antherozoid and an oosphere is termed an oospore.

From Scientific American Supplement, No. 531, March 6, 1886 by Various