germinal disk
Americannoun
Etymology
Origin of germinal disk
First recorded in 1875–80
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.
At this spot we have the most brisk cleavage of the cells; hence the cells are more numerous and smaller here than in the fore-half of the germinal disk.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
But this small white "germinal disk" is now further developed, and is really the gastrula of the chick.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
Segmentation is, as in other richly yolked eggs, incomplete, confined to the germinal disk at the opercular pole.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various
The germinal disk of the hen's ovum at the beginning of gastrulation; A before incubation, B in the first hour of incubation.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
The circular border of the germinal disk which connects the roof and floor of the segmentation-cavity corresponds to the border-zone at the equator of the amphibian ovum.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
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.
