| Name: | ball |
|---|---|
| Synonyms: | yolk ball |
| Definition: | The anterior round region of the yolk cell present after the yolk extension forms during the segmentation period. |
| Ontology: | Anatomy Ontology [ZFA:0000006] |
| Name: | integument ionocyte |
|---|---|
| Synonyms: | extrabranchial ionocyte, skin ionocyte |
| Definition: | Ionocyte located in the integument during embryonic and larval stages. |
| Ontology: | Anatomy Ontology [ZFA:0005325] |