archesporium
Americannoun
PLURAL
archesporiaEtymology
Origin of archesporium
From New Latin
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.
In some species, although the columella and archesporium arise in the usual way, both give rise to mingled spores and elaters, and no sterile columella is developed.
From Project Gutenberg
The development of the sporogonium proceeds as in the Bryales, but the dome-shaped archesporium extends over the summit of the columella and an air-space is wanting.
From Project Gutenberg
In the young condition the wall of the capsule, which consists of two layers of cells, encloses a mass of similar cells developed from the archesporium.
From Project Gutenberg
The archesporium arises by the next divisions in the outer layer of cells, and thus extends over the summit of the columella.
From Project Gutenberg
In Sphagnum, as in Anthoceros, the archesporium is derived from the amphithecium; in all other mosses it is the outermost layer of the endothecium.
From Project Gutenberg
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.
