oospore

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Related to oospores: Basidiospores

o·o·spore

(ō'ō-spōr),
A thick-walled fungus spore that develops from a female gamete either through fertilization or parthenogenesis in an oogonium.

oospore

(ō′ə-spôr′)
n.
A thick-walled zygote developed from a fertilized oosphere, especially in an oomycete.

o′o·spor′ic (-spôr′ĭk, -spŏr′-) adj.

oospore

(ō′ō-spor) [″ + sporos, seed]
A spore formed by the union of opposite sexual elements.

oospore

the thick-walled spore found, for example, in some fungi, and arising from the fertilization of the OOSPHERE derived from an OOGONIUM.
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References in periodicals archive ?
According to macrofossil data, the number of Chara oospores and Potamogeton seeds decreased significantly in comparison with the previous zone.
After fertilization of an oogonium, the resulting oospore was retained on the female thallus and underwent a number of cell divisions to produce a multicellular 'fruit'.
Some of the new strains resist fungicides and may mate with strains already here and produce the long-lived oospores.