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The male gametophyte that arises from a microspore of a heterosporous plant. In seed plants, the microgametophyte is contained in the pollen grain.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||microgametophyte - the male gametophyte produced by a microspore|
gametophyte - the gamete-bearing individual or phase in the life cycle of a plant having alternation of generations
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