oospore

Definitions

  • WordNet 3.6
    • n oospore a thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi
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Webster's Revised Unabridged Dictionary
    • n Oöspore (Bot) A special kind of spore resulting from the fertilization of an oƶsphere by antherozoids.
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Century Dictionary and Cyclopedia
    • n oospore In botany, in cryptogamic plants, the immediate product of the fertilization of the oösphere. The oöspore differs from the oösphere structurally in having a hard cell-wall of cellulose, and physiologically in possessing the power of germination and growth after a period of rest. Also oösperm. See cut under conceptacle.
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Etymology

Webster's Revised Unabridged Dictionary
Gr. w,'o`n an egg + a seed

Usage

In literature:

After the production of this oospore the parent filament gradually loses its vitality and slowly decays.
"Scientific American Supplement, No. 460, October 25, 1884" by Various
C. Formation of zoospores by oospores.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3" by Various
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