OBO ID: ZFA:0000006 |
Term Name: | ball | Search Ontology: | |
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Definition: | The anterior round region of the yolk cell present after the yolk extension forms during the segmentation period. (1) | ||
Appears at: | Segmentation:10-13 somites (14.0h-16.0h) | ||
Evident until: | Larval:Day 4 (96.0h-120.0h) | ||
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Ontology: | Anatomy Ontology |