blastula
Example Sentences
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Body symmetry is determined at the blastula stage.
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
After fertilization, the zygote undergoes cleavage to form the blastula.
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
Frequently this differentiation of the cell-forms sets in at a very early stage, during the segmentation-process, and is already very appreciable in the blastula.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
