| 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: | cell population proliferation | 
|---|---|
| Synonyms: | cell proliferation | 
| Definition: | The multiplication or reproduction of cells, resulting in the expansion of a cell population. | 
| Ontology: | GO: Biological Process [GO:0008283] QuickGO AmiGO |