Term Name:	endocardial cell
Synonyms:	endocardial endothelial cell, endothelial cell of endocardium
Definition:	An endothelial cell that lines the intracavitary lumen of the heart, separating the circulating blood from the underlying myocardium. This cell type releases a number of vasoactive substances including prostacyclin, nitrous oxide and endothelin.
Ontology:	Cell Ontology [CL:0002350]