blastula
Example Sentences
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After the cleavage has produced over 100 cells, the embryo is called a blastula.
From Textbooks • Jun. 9, 2022
The cells in the blastula rearrange themselves spatially to form three layers of cells.
From Textbooks • Jun. 9, 2022
After fertilization, the zygote develops into a blastula, which develops into a planula larva.
From Textbooks • Jan. 1, 2015
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
The germinal layers form from the first closed tubes, the one-layered blastula being converted into the two-layered gastrula by invagination.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
