ANATOMY

Detailed explanation-1: -Your pericardium is a fluid-filled sac that surrounds your heart and the roots of the major blood vessels that extend from your heart.

Detailed explanation-2: -A fibrous sac known as the pericardium surrounds the heart. This sac is made of two thin layers with a small amount of fluid between them. This fluid reduces friction between the layers as they rub against each other when the heart beats. In some cases, too much fluid builds up between these two layers.

Detailed explanation-3: -The pericardium is a membrane, or sac, that surrounds your heart. It holds the heart in place and helps it work properly. Problems with the pericardium include: Pericarditis-an inflammation of the sac.

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. A very important role in all aspects of pericardial functions is played by mesothelial cells.

Detailed explanation-5: -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.