受精卵
Oospore \O"["o]*spore\, n. [Gr. ? an egg + ? a seed.] (Bot.)
(a) A special kind of spore resulting from the fertilization
of an o["o]sphere by antherozoids.
(b) A fertilized o["o]sphere in the ovule of a flowering
plant.
oospore
n : a thick-walled sexual spore that develops from a fertilized
oosphere in some algae and fungi