Oospore

(redirected from oosporic)
Also found in: Dictionary, Thesaurus, Medical.

oospore

[′ō·ə‚spȯr]
(botany)
A spore which is produced by heterogamous fertilization and from which the sporophytic generation develops.

Oospore

 

the resting zygote in lower plants that have an oogonium. The oospore has a considerable reserve of nutritive matter, which is used during sprouting, and a thick, multilayer wall, which provides protection from such unfavorable conditions as drought or cold. When the oospore sprouts, its nucleus divides with reduction.