ANATOMY

Detailed explanation-1: -The pericardium is the fibrous sac that surrounds the heart. It can be divided into three layers, the fibrous pericardium, the parietal pericardium, and the visceral pericardium. The parietal and visceral pericardia together form the serous pericardium.

Detailed explanation-2: -What is the pericardium? Your pericardium is a protective, fluid-filled sac that surrounds your heart and helps it function properly. Your pericardium also covers the roots of your major blood vessels as they extend from your heart.

Detailed explanation-3: -Heart is covered by a double layered membrane called the pericardial membrane. It secretes pericardial fluid.

Detailed explanation-4: -The serous membrane covering the heart and lining the mediastinum is referred to as the pericardium, the serous membrane lining the thoracic cavity and surrounding the lungs is referred to as the pleura, and that lining the abdominopelvic cavity and the viscera is referred to as the peritoneum.