megaspore
/meg-uh-spawr, -spohr/US // ˈmɛg əˌspɔr, -ˌspoʊr //UK // (ˈmɛɡəˌspɔː) //
巨孢子,巨孢子虫,巨菌,巨孢子菌
Definitions
n.名词 noun
- 1
Botany.
- : the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte.Compare microspore.
- : the embryo sac of a flowering plant.
Examples
In Welwitschia also the megaspore is filled with prothallus-tissue, but single egg-cells take the place of archegonia.
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