Pericardium: Learn about the pericardium

Learn about the pericardium , a protective, fibroserous sac that encloses the heart and its great blood vessels. Find out its layers, functions, embryological relations, and clinical significance. The pericardium is a fibrous sac that encloses the heart and great vessels. It keeps the heart in a stable location in the mediastinum, facilitates its movements, and separates it from the lungs and other mediastinal structures. It also supports physiological cardiac function.[1][2][3] The pericardium , the double-layered sac which surrounds and protects your heart and keeps it in your chest, has a number of important functions within your body. Learn more about its purpose ...