| Name: | ventral wall of dorsal aorta |
|---|---|
| Synonyms: | AGM, aorta gonad mesonephros region, DA roof, DA-PCV joint, dorsal aorta - posterior cardinal vein joint, DP joint |
| Definition: | Region where blood progenitor markers are expressed. Probable site of definitive hematopoiesis between 36hpf and 4dpf. |
| Ontology: | Anatomy Ontology [ZFA:0005028] |
| 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: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |