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 first change in the round germinal disk of the chick is that the cells at its edges multiply more briskly, and form darker nuclei in their protoplasm.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
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 Haeckel, Ernst Heinrich Philipp August
First is formed a lens-shaped circular germinal disk.
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
There is a brisk multiplication of these at the edge of the germinal disk, especially in the neighbourhood of the sickle-shaped primitive mouth.
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.