GENERAL KNOWLEDGE

Detailed explanation-1: -Parietal layer of the serous pericardium: This is the outer layer that’s firmly attached to your fibrous pericardium. There’s no space between them. Visceral layer of the serous pericardium: This is the innermost layer of your pericardium. It directly covers your heart and the roots of your great vessels.

Detailed explanation-2: -Pericardium: The heart is covered by a double membranous protective layer known as the pericardium. The space that is present between the two pericardial membranes is filled with a fluid called pericardial fluid.

Detailed explanation-3: -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.