| Name: | vein |
|---|---|
| Synonyms: | venous system |
| Definition: | Vessels that carry blood to the heart. |
| Ontology: | Anatomy Ontology [ZFA:0000082] |
| Name: | blood vessel endothelium |
|---|---|
| Synonyms: | |
| Definition: | The vascular endothelium that lines blood vasculature. |
| Ontology: | Anatomy Ontology [ZFA:0005257] |