blastula
Example Sentences
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Here the cells in the blastula arrange themselves in two layers: the inner cell mass, and an outer layer called the trophoblast.
From Textbooks • Jun. 9, 2022
Body symmetry is determined at the blastula stage.
From Textbooks • Jun. 9, 2022
Gastrulation is the process in which the cells in the blastula rearrange themselves and form three layers of cells.
From Textbooks • Jun. 9, 2022
After further cell division and rearrangement of existing cells, a 6–32-celled hollow structure called a blastula is formed.
From Textbooks • Jan. 1, 2015
If we then imagine the yelk it contains to be dissolved and replaced by a clear liquid, we have the characteristic blastula of the higher mammals.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August