What is Serous pericardium?
Serous pericardium meaning The innermost layer of the parietal pericardium (or pericardial sac). This layer is thin and delicate. It is continuous with the outermost layer of the wall of the heart, called the epicardium, at the base of the heart. It is also continuous with the large blood vessels of the heart and is also know as the parietal layer of the pericardial sac.See also fibrous pericardium.