| 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: | has fewer parts of type |
|---|---|
| Synonyms: | decreased number of, has decreased number of, has fewer physical parts of type |
| Definition: | The bearer of this quality has_part < n AND has_part > 0 of the indicated entity type, where n is the normal amount for a comparable organism. Note that the bearer of the quality is the whole, not the part. Formally: If a bearer entity e has fewer parts of type X at time t, then the number of instances x of X at t such that x part_of e is < n, where n is either the normal number for comparable entities, or n is stated explicitly. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002001] |
| 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] |