MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

CARDIOVASCULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Double membrane sac that covers the outside of the heart
A
Pericardium
B
Myocardium
C
Endocardium
D
All of the above
Explanation: 

Detailed explanation-1: -The pericardium, also called pericardial sac, is a double-walled sac containing the heart and the roots of the great vessels . It has two layers, an outer layer made of strong inelastic connective tissue (fibrous pericardium), and an inner layer made of serous membrane (serous pericardium).

Detailed explanation-2: -The Pericardium and Its Diseases The pericardium, as it Greek root suggests, is a double-walled sac which surrounds the heart and the roots of the great vessels. In health, the pericardium forms a lubricated sac which allows the heart to function normally within it.

Detailed explanation-3: -A double-layered membrane called the pericardium surrounds your heart like a sac. The outer layer of the pericardium surrounds the roots of your heart’s major blood vessels and is attached by ligaments to your spinal column, diaphragm, and other parts of your body.

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