microgametophyte
Americannoun
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The male gametophyte that develops from the microspores of heterosporous plants. The pollen grains of gymnosperms and angiosperms are microgametophytes.
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See more at gametophyte pollination
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Within the microgametophyte, the fusion of egg and sperm completes the cycle.
From Textbooks • Jan. 1, 2015
Both microspores and megaspores undergo mitosis, forming the microgametophyte and megagametophyte, respectively.
From Textbooks • Jan. 1, 2015
Illustration shows the life cycle of angiosperms, which includes a microgametophyte stage and a megagametophyte stage.
From Textbooks • Jan. 1, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
