Cell Ontology (CL)
OWL
Last submission date April 8, 2024
ID http://purl.obolibrary.org/obo/UBERON_0000108
http://purl.obolibrary.org/obo/UBERON_0000108
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Preferred name

blastula stage

Definitions

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.

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