blastula
Example Sentences
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The blastula is often a hollow ball of cells.
From Textbooks • Jun. 9, 2022
After fertilization, the zygote undergoes cleavage to form the blastula.
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
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
Also, in every case, the gastrula develops from the blastula by curving or invagination.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
