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Pericardium 3D

  • Description:
    • * The middle mediastinum is occupied by the pericardium, a fibrous sac that houses the heart and the roots of the main vessels.
    • * Consists of the serous pericardium and the fibrous pericardium.
    • * Receives blood from the bronchial, esophageal, and pericardiophrenic arteries. * Is supplied with sensory and motor fibres from the vagus and phrenic nerves as well as sympathetic trunks                                                                                                                                                                                                                                                   
  • Fibrous pericardium:
    • * It is a dense, conical sac made up of fibrous tissue that blends with the adventitia of the roots of the great-vessels and the central tendon of the diaphragm.
    • * It is connected to the upper and lower ends of body of the sternum by weak superior and inferior sternopericardial ligaments.
    • * Protects the heart against sudden overfilling and prevents overexpansion of the heart.                                                                                                                                                                                                                                      
  • Serous pericardium:
    • * Serous pericardium is thin, double-layered serous membrane lined by mesothelium.
    • * Consists of the parietal layer, which lines the inner surface of the fi brous pericardium, and the visceral layer, which forms the outer layer of the heart wall and the roots of the great vessels.
    • * The two layers are continuous with each other at the roots of the great vessels, including ascending aorta, pulmonary trunk, two venae cavae, and four pulmonary veins.

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  • Description:
    • * The middle mediastinum is occupied by the pericardium, a fibrous sac that houses the heart and the roots of the main vessels.
    • * Consists of the serous pericardium and the fibrous pericardium.
    • * Receives blood from the bronchial, esophageal, and pericardiophrenic arteries. * Is supplied with sensory and motor fibres from the vagus and phrenic nerves as well as sympathetic trunks                                                                                                                                                                                                                                                   
  • Fibrous pericardium:
    • * It is a dense, conical sac made up of fibrous tissue that blends with the adventitia of the roots of the great-vessels and the central tendon of the diaphragm.
    • * It is connected to the upper and lower ends of body of the sternum by weak superior and inferior sternopericardial ligaments.
    • * Protects the heart against sudden overfilling and prevents overexpansion of the heart.                                                                                                                                                                                                                                      
  • Serous pericardium:
    • * Serous pericardium is thin, double-layered serous membrane lined by mesothelium.
    • * Consists of the parietal layer, which lines the inner surface of the fi brous pericardium, and the visceral layer, which forms the outer layer of the heart wall and the roots of the great vessels.
    • * The two layers are continuous with each other at the roots of the great vessels, including ascending aorta, pulmonary trunk, two venae cavae, and four pulmonary veins.

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