blastula
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
After the cleavage has produced over 100 cells, the embryo is called a blastula.
From Textbooks • Jun. 9, 2022
After fertilization, the zygote undergoes cleavage to form the 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
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
In other words, the starting point in the development of the frog is a single biological unit; this divides and its products redivide to constitute the many-celled blastula and the double-walled gastrula.
From The Doctrine of Evolution Its Basis and Its Scope by Crampton, Henry Edward
