| 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: | vasculature |
|---|---|
| Synonyms: | |
| Definition: | Is an interconnected tubular multi-tissue structure that contains fluid that is actively transported around the organism. |
| Ontology: | Anatomy Ontology [ZFA:0005249] |