THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Fibrous pericardium: This is the tough, outermost layer of your pericardium. It’s made of connective tissue that prevents your heart from expanding too much.

Detailed explanation-2: -The Pericardium. 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-3: -The parietal layer lines the inner regions of the fibrous pericardium, while the visceral layer lines the outer layer of the heart and is therefore also known as the epicardium.

Detailed explanation-4: -The pericardium acts as mechanical protection for the heart and big vessels, and a lubrication to reduce friction between the heart and the surrounding structures.