👉 The term "epicardiac" is a medical term used to describe the structure of the heart. It refers to the muscular tissue that covers the walls of the left and right ventricles, which are the two main chambers of the heart that pump blood throughout the body. The epicardium is made up of smooth muscle cells called myocytes, which can be divided into four types: myocytes of the superior vena cava (SV), myocytes of the inferior vena c
