what is the outermost pericardial membrane of the heart
Pericardial Membranes. 1  Fibrous Pericardium-the outer fibrous sac that covers the heart. 2  Parietal Pericardium-lies between the visceral pericardium and the fibrous pericardium. 3  Visceral Pericardium-also called the epicardium, this is the outer layer of the wall of the heart.