| Name: | aortic arch 4 |
|---|---|
| Synonyms: | AA4 |
| Definition: | Aortic arch that is part of pharyngeal arch 4. The paired aortic arch 4 arteries branch directly from the ventral aorta to the lateral dorsal aorta, and are retained as the branchial arteries providing circulation through the gills in the adult. |
| Ontology: | Anatomy Ontology [ZFA:0005008] |
| Name: | angioblast cell differentiation |
|---|---|
| Synonyms: | angioblastic mesenchymal cell differentiation |
| Definition: | The process in which a relatively unspecialized cell acquires the specialized structural and/or functional features of an angioblast cell. Angioblasts are one of the two products formed from hemangioblast cells (the other being pluripotent hemopoietic stem cells). |
| Ontology: | GO: Biological Process [GO:0035779] QuickGO AmiGO |
| Name: | decreased occurrence |
|---|---|
| Synonyms: | decreased incidence |
| Definition: | An occurrence which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002052] |