blastula
Example Sentences
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After fertilization, the zygote undergoes cleavage to form the blastula.
From Textbooks • Jun. 9, 2022
After the cleavage has produced over 100 cells, the embryo is called a blastula.
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
Body symmetry is determined at the blastula stage.
From Textbooks • Jun. 9, 2022
The common ancestor alike of unsegmented worms and of all segmented types is probably the trochosphere larva, which in the Vertebrates is represented by the simple Keimblase or blastula.
From Form and Function A Contribution to the History of Animal Morphology by E. S. (Edward Stuart) Russell
