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.
First is formed a lens-shaped circular germinal disk.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
These "eating yelk-cells" are found in large numbers in the food-yelk of the Selachii, especially in the yelk-wall—the border zone of the germinal disk in which the embryonic vascular net is first developed.
From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August
Oval germinal disk of the rabbit, magnified about ten times.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
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 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
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.