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oospore
[ oh-uh-spawr, -spohr ]
noun
- a fertilized egg within an oogonium.
oospore
/ ˈəʊəˌɔː /
noun
- a thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi
oospore
- A fertilized female cell or zygote, especially one with thick chitinous walls, developed from a fertilized oosphere.
Derived Forms
- ˌǴˈǰ, adjective
Other Word Forms
- ··ǰ· [oh-, uh, -, spawr, -ik, -, spor, -], ·Dz·ǰ·dzܲ [oh-, os, -per-, uh, s, oh-, uh, -, spawr, -, uh, s, -, spohr, -], adjective
Example Sentences
The oospore on germination usually gives origin to a zoosporangium, but may form directly a germ tube which infects the host.
The oospores give rise to neuter plants, the tetraspores to ♂ or ♀ plants.
The oospores of the Saprolegniæ, when arrived at maturity, possess a tolerably thick double integument, consisting of an epispore and an endospore.
After impregnation the fertilized oosphere immediately surrounds itself with a cell-wall and becomes the oospore which by a process of growth forms the embryo of the new plant.
After the production of this oospore the parent filament gradually loses its vitality and slowly decays.
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