Name: | ventral wall of dorsal aorta |
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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 multipotent progenitor cell |
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Synonyms: | hemopoietic progenitor cell |
Definition: | A hematopoietic multipotent progenitor cell is multipotent, but not capable of long-term self-renewal. These cells are characterized as lacking lineage cell surface markers and being CD34-positive in both mice and humans. |
Ontology: | Anatomy Ontology [ZFA:0009354] |
Name: | absent |
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Synonyms: | absence, absent from organism |
Definition: | A quality denoting the lack of an entity. |
Ontology: | Phenotypic Quality Ontology [PATO:0000462] |