macrospore
Americannoun
noun
Other Word Forms
Etymology
Origin of macrospore
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.
It arises by a simple enlargement of one cell of the nucleus instead of by the division of one cell into four, each thus becoming a macrospore.
From Scientific American Supplement, No. 531, March 6, 1886 by Various
In the full-grown ovule the macrospore, which in the seed plants is generally known as the “embryo sac,” is completely filled with the prothallium or “endosperm.”
From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Campbell, Douglas Houghton
But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams.
From Scientific American Supplement, No. 531, March 6, 1886 by Various
The larger ones contain each a large spore, or macrospore; the smaller contain numerous microspores, immersed in mucilage.
From The Elements of Botany For Beginners and For Schools by Gray, Asa
L, young plant, with the attached macrospore, × 6. r, the first root. l, the first leaves.
From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Campbell, Douglas Houghton
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.
