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

See Examples For:

oospore

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 Thomas Henry Huxley

The oospore becomes an oosporangium, and from it at least a hundred germinating bodies are at length expelled.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

This oospore, or resting spore, may remain dormant in this state within the tissues of the foster plant for some months.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

Two separate portions of its protoplasm become fused together, surround themselves with a thick coat and give rise to a sort of vegetable egg called an oospore.

From Discourses Biological and Geological Essays by Thomas Henry Huxley

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

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