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microgametophyte

American  
[mahy-kroh-guh-mee-tuh-fahyt, -ga-mi-] / ˌmaɪ kroʊ gəˈmi təˌfaɪt, -ˈgæ mɪ- /

noun

plural

microgametophytes

  1. Botany. a gametophyte that develops from a microspore in heterosporous plants.

microgametophyte Scientific  
/ mī′krō-gə-mē′tə-fīt′ /

  1. The male gametophyte that develops from the microspores of heterosporous plants. The pollen grains of gymnosperms and angiosperms are microgametophytes.

  2. 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.

Both microspores and megaspores undergo mitosis, forming the microgametophyte and megagametophyte, respectively.

From Textbooks • Jan. 1, 2015

Within the microgametophyte, the fusion of egg and sperm completes the cycle.

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.