ANATOMY

Detailed explanation-1: -The visceral pericardium (epicardium or serous pericardium) is the surface of the heart itself and consists of a thin (>1 mm) layer of loose fibrous tissue covered by mesothelial cells (serous layer).

Detailed explanation-2: -The layer of mesothelium investing the outer surface of the heart is referred to as the visceral pericardium or epicardium.

Detailed explanation-3: -The inner surface of the fibrous pericardium is lined by the outer (parietal) layer of serous pericardium. The inner (visceral) layer of the serous pericardium lines the outer surface of the heart itself.

Detailed explanation-4: -The pericardium is a thin fibroelastic sac composed of two layers that separate the heart from the surrounding mediastinal structures. The outer layer of the pericardium is referred to as the fibrous pericardium and usually measures less than 2 mm in thickness.

Detailed explanation-5: -The epicardium is part of the pericardium. It is the innermost layer and is referred to as the visceral layer of the serous pericardium.