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3 Νοε 2023 · The pericardium is the membrane that encloses the heart and the roots of the major heart vessels, consisting of an outer fibrous layer (fibrous pericardium) and an inner double serous membrane layer (serous pericardium).
Pericardial sac: A conical sac of fibrous tissue which surrounds the heart and the roots of the great blood vessels. Also called the pericardium. The pericardium has outer and inner coats. The outer coat is tough and thickened, loosely cloaks the heart, and is attached to the central part of the diaphragm and the back of the sternum (breastbone ...
The fibrous pericardium is the most superficial layer of the pericardium. It is made up of dense, and loose connective tissue which acts to protect the heart, anchoring it to the surrounding walls, and preventing it from overfilling with blood.
27 Οκτ 2020 · The pericardium is a fibrous sac that surrounds the heart and is composed of two distinct layers: the visceral pericardium and parietal pericardium. The visceral pericardium is the inner serous layer that consists of a very thin (<1 mm) layer of mesothelial cells.
27 Οκτ 2024 · The normal pericardium has a thickness between 2 and 4 mm, and it is often visualized as a single layer by either ultrasound, cardiac computed tomography (CCT), or cardiac magnetic resonance (CMR) imaging, except in small recesses around the great vessels, atrial appendages, and atrioventricular groove.
The pericardial cavity is a conical fibro-serous sac, in which the heart and the roots of the great vessels are contained. It is placed behind the sternum and the cartilages of the third, fourth, fifth, sixth, and seventh ribs of the left side, in the mediastinal cavity.
16 Μαρ 2021 · The pericardium is a flask-shaped sac consisting of an outer fibrous component and an inner double-layered serous sac that surrounds the heart. 3, 4, 5 The outer serous layer, which is closely attached to the fibrous layer is the parietal pericardium. The visceral serous pericardium, or epicardium, adheres to the heart and great vessels and ...