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.
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
The germinal layers form a flat germinal disk, the borders of which join together and form closed tubes, separating from the central yelk-sac.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
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
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
In both cases a discoid gastrula with primitive streak arises from the segmented ovum, a two-layered germinal disk with long and small hinder 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.