blastula

Example Sentences

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Body symmetry is determined at the blastula stage.

From Textbooks • Jun. 9, 2022

Further cleavage results in a hollow ball of cells called a blastula.

From Textbooks • Jan. 1, 2015

Next, the blastula undergoes further cell division and cellular rearrangement during a process called gastrulation.

From Textbooks • Jan. 1, 2015

The blastula, which in some species is a hollow ball of cells, undergoes a process called gastrulation, during which the three germ layers form.

From Textbooks • Apr. 25, 2013

By repeated cleavage of it a morula is formed, and from this a blastula, which changes in a very characteristic way into the greatly modified gastrula.

From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August