blastula

Example Sentences

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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

Once you are confident about your identification, begin to record the stage of each cell you encounter as you scan left to right, and top to bottom across the blastula section.

From Textbooks • Jun. 9, 2022

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

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

From Textbooks • Jan. 1, 2015

In many of the lower animals the blastula is not developed within the foetal membranes, but in the open water.

From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August