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Everything about The Blastula totally explained

The blastula is an early stage of embryonic development in animals. It is also called blastosphere. It is produced by cleavage of a fertilized ovum and consists of a spherical layer of around 128 cells surrounding a central fluid-filled cavity called the blastocoel. The blastula follows the morula and precedes the gastrula in the developmental sequence.

Research

A whitefish blastula is often used to help study the processes of mitosis in animal cells. The blastula is prevented from multiplying during the nuclear-injection stage.

Blastula and blastocyst

In mammals, blastulation leads to the formation of the blastocyst, which must not be confused with the blastula; even though they're similar in structure, their cells have different fates.

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