blastula
Example Sentences
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Body symmetry is determined at the blastula stage.
From Textbooks • Jun. 9, 2022
The blastula is often a hollow ball of cells.
From Textbooks • Jun. 9, 2022
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
Gastrulation is the process in which the cells in the blastula rearrange themselves and form three layers of cells.
From Textbooks • Jun. 9, 2022
The gastrula, finally, is the two-layered sac formed from the blastula, typically by invagination of its wall.
From Form and Function A Contribution to the History of Animal Morphology by E. S. (Edward Stuart) Russell
