microgametophyte

[ mī′krō-gə-mē′tə-fīt′ ]

The male gametophyte that develops from the microspores of heterosporous plants. The pollen grains of gymnosperms and angiosperms are microgametophytes. See more at gametophyte pollination.

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Words nearby microgametophyte

microflora, microform, microfossil, microgamete, microgametocyte, microgametophyte, microgastria, microgeneration, microgenia, microgenitalism, microglandular adenosis
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.