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.
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 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 Ernst Heinrich Philipp August Haeckel
Sometimes it has been called the germinal disk, sometimes the germinal spot, and usually the germinative area.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
First is formed a lens-shaped circular germinal disk.
From The Evolution of Man — Volume 1 by Ernst Heinrich Philipp August Haeckel
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 Ernst Heinrich Philipp August Haeckel
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