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.
The tread, which thus becomes the germinal disk, now has the appearance of an eight-rayed star.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
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 Ernst Heinrich Philipp August Haeckel
In the mammals, as well as in the latter, the flat, leaf-shaped germinal disk separates from the yelk-sac, and its edges join together and form tubes.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
Germinal area or germinal disk of the rabbit, with sole-shaped embryonic shield, magnified about ten times.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
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 Ernst Heinrich Philipp August Haeckel
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.