blastula
Example Sentences
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The blastula is often a hollow ball of cells.
From Textbooks • Jun. 9, 2022
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
The cells in the blastula then rearrange themselves spatially to form three layers of cells.
From Textbooks • Apr. 25, 2013
As this quantity of food-yelk fills the centre of the ovum before cleavage begins, there is no difference in this respect between the morula and the blastula.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
