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Dictionary

mi•cro•spore

Pronunciation: (mī'kru-spôr", -spōr"), [key]
—n. Bot.
1. the smaller of the two kinds of spores characteristically produced by seed plants and some fern allies, developing into a male gametophyte. Cf. megaspore,
2. a pollen grain.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

microsporangium

microsporocyte

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