ANATOMY

Detailed explanation-1: -The endocardium is the innermost layer of the heart. It lines the inner surfaces of the heart chambers, including the heart valves. The endocardium has two layers. The inner layer lines the heart chambers and is made of endothelial cells.

Detailed explanation-2: -The endocardium is the innermost layer of the heart and lines the chambers and extends over projecting structures such as the valves, chordae tendineae, and papillary muscles.

Detailed explanation-3: -Endocardial cells are specialized endothelial cells that, during embryogenesis, form a lining on the inside of the developing heart, which is maintained throughout life.

Detailed explanation-4: -The epicardium is the outermost layer of the heart wall, and also the innermost layer of the protective pericardium that surround the heart. The endocardium is composed of simple squamous epithelial cells which form the inner lining of the heart chambers.

Detailed explanation-5: -Endocardium. The inner layer of the heart wall is the endocardium, composed of endothelial cells that provide a smooth, elastic, non-adherent surface for blood collection and pumping.