| 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: | hematopoietic stem cell |
|---|---|
| Synonyms: | colony forming unit hematopoietic, hematopoietic progenitor cell, hemopoietic progenitor cell, hemopoietic stem cell, HSC |
| Definition: | A stem cell from which all cells of the lymphoid and myeloid lineages develop, including blood cells and cells of the immune system. |
| Ontology: | Anatomy Ontology [ZFA:0009014] |
| Name: | decreased amount |
|---|---|
| Synonyms: | decreased, decreased number, present in fewer numbers in organism, reduced, subnumerary |
| Definition: | An amount which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001997] |