| Name: | blood island |
|---|---|
| Synonyms: | blood islands, caudal hematopoietic tissue, posterior blood island, posterior ICM |
| Definition: | Nests of developing blood cells arising late in the segmentation period from the intermediate mass, and located in the anterior-ventral tail, just posterior to the yolk extension. |
| Ontology: | Anatomy Ontology [ZFA:0000094] |
| 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] |