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Found Microspores 1 time.

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1. Microspores
Four haploid cells produced by the meiotic division in the pollen sacs of flowers or microsporangia of gymnosperms. Microspores undergo mitotic division and become encased in a thick protective wall to form pollen grains . Small, size usually less than 200 micrometers, spores produced by meiosis . Microspores either germinate into the male gametophyte or have the male gametophyte develop inside the microspore wall.

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