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Pericardium
The pericardium is a double-walled sac that contains the heart and the roots of the great vessels. Additional recommended knowledgeLayersThere are two layers to the pericardial sac: the fibrous pericardium and the serous pericardium. The serous pericardium, in turn, is divided into two layers, the parietal pericardium, which is fused to and inseparable from the fibrous pericardium, and the visceral pericardium, which is in fact epicardium, or the outer surface of the heart. In between the parietal and visceral pericardial layers there is a potential space called the pericardial cavity. It is normally lubricated by a film of pericardial fluid. Too much fluid in the cavity (such as in a pericardial effusion) can result in pericardial tamponade, compression of the heart within the pericardial sac. Diseases/Abnormalities
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Pericardium". A list of authors is available in Wikipedia. |