Heart & Pericardium
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The heart is enclosed within the pericardium — a double-walled fibroserous sac that anchors the heart to the sternum, diaphragm, and great vessels. The pericardium is a key structure in thoracic fascial continuity, transmitting mechanical forces between the diaphragm, mediastinum, and cervical fascia.
Region
Thorax
ExtraperitonealEnclosed in pericardium
For educational use only — not a substitute for clinical judgment.
Fascia / peritoneum
Ligament
Anterior view with the pericardium opened, showing the heart in situ. The fibrous pericardium forms the outer anchoring layer, while the serous pericardium lines the inner surface and reflects onto the heart as the epicardium. The sternopericardial ligaments anchor the pericardium to the sternum.