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the fibroserous sac enclosing the heart and the roots of the great vessels, composed of external (fibrous) and internal (serous) layers.
adherent pericardium one abnormally connected with the heart by dense fibrous tissue.
fibrous pericardium the external layer of the pericardium, consisting of dense fibrous tissue.
parietal pericardium the parietal layer of the serous pericardium, which is in contact with the fibrous pericardium.
serous pericardium the inner, serous portion of pericardium, consisting of two layers, visceral and parietal; the space between the layers is the pericardial cavity.
pericarditis with adhesions between the two pericardial layers, between the pericardium and heart, or between the pericardium and neighboring structures.
Synonym(s): adherent pericardium