Microspore

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Definition

noun, plural: microspores

(botany) The smaller meiospore produced in heterosporous plants, and develops into a male gametophyte.


Supplement

The microspores are haploid spores produced by a plant sporophyte. In seed plants, it corresponds to the developing pollen grain at the uninucleate stage.


Compare: megaspore

See also: spore

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