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