Assertion: endocardium | /r/HasProperty | thin membrane
Facets:
Source sentences:
text: The endocardium is a thin membrane which lines the internal surface of the heart ; it assists in forming the valves by its reduplications, ...
text: Endocardium : The thin lining membrane on the inside of the heart.
text: The endocardium is a thin layer of endothelium ...
text: Endocardium is the thin layer of tissue heart that lines the heart’s chambers and valves.
text: The endocardium is the thin membrane that lines the heart cavity.