blastula
blastosphere
Organism at the blastula stage - an early stage of embryonic development in animals. 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.
| Type | Organ |
| Parent Structure | embryo |
| Latin Name | blastosphere |
Frequently Asked Questions
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Related Structures
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