GROSS ANATOMY

Detailed explanation-1: -The endocardium is composed of simple squamous epithelial cells which form the inner lining of the heart chambers. The endocardium connects to blood vessels that supply the heart muscle and contributes to the regulation of heart contractions.

Detailed explanation-2: -Endocardium. The endocardium can be compared to the tunica intima of blood vessels. It forms the luminal surface of the heart and is composed of simple squamous epithelium.

Detailed explanation-3: -The endocardium lines the entire inner surface of all the heart chambers and is continuous with the inner layer of the blood vessels.

Detailed explanation-4: -The endocardium is composed of the endothelium and the subendothelial connective tissue layer. The subendocardium is found between the endocardium and myocardium and contains the impulse-conducting system.

Detailed explanation-5: -The endocardium, the simple squamous epithelial lining of the heart, can be seen at the top of this section. Under it, you can see connective tissue, which we will study next time.