| Name: | atrioventricular valve | 
|---|---|
| Synonyms: | |
| Definition: | The atrioventricular valve has four distinct leaflets oriented anterior, posterior, left, and right of the atrioventricular orifice. | 
| Ontology: | Anatomy Ontology [ZFA:0005064] | 
| Name: | endothelial cell | 
|---|---|
| Synonyms: | endothelial cells | 
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0009065] |