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
Next, the blastula undergoes further cell division and cellular rearrangement during a process called gastrulation.
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
In the Amphioxus the earliest and most important embryonic processes take place so rapidly that the blastula is formed in four hours, the gastrula in six, and the typical vertebrate form in twenty-four.
From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August
