Preferred Name |
blastula stage |
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Synonyms |
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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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ID |
http://purl.obolibrary.org/obo/UBERON_0000108 |
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database_cross_reference |
ZFS:0000045 HsapDv:0000006 OGES:000003 Wikipedia:Blastula BilaDO:0000007 OGES:000021 EFO:0001282 BILS:0000108 MmusDv:0000007 XAO:1000003 OGES:000016 WBls:0000005 |
|
definition |
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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depiction |
http://upload.wikimedia.org/wikipedia/commons/c/c6/Blastulation.png |
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editor note |
consider adding a preceding stage 'morula stage' as part of cleavage |
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has_obo_namespace |
uberon |
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id |
UBERON:0000108 |
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in_subset | ||
label |
blastula stage |
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notation |
UBERON:0000108 |
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prefLabel |
blastula stage |
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subClassOf |