Term: atrioventricular valve endocardium
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: endocardium
Synonyms:
Definition: Layer that lines the lumen of the heart.
Ontology: Anatomy Ontology [ZFA:0001320]