Endocardium Myocardium Pericardium (or epicardium)
The heart is a muscular organ that contracts rhythmically pumping the blood through the . Its walls consist of of three tunics or layers : the internal or endocardium , the middle or myocardium and the external or pericardium .
The endocardium is homologous with the intima of the blood vessels. It consists of a single layer of squamous endothelial cells resting on a thin subendothelial layer of loose connective tissue.
Save your time - order a paper!
Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlinesOrder Paper Now
The myocardium is the thickest of the three tunics. It consists of cardiac muscle tissue.
The pericardium is a serous membrane in which the heart lies. The visceral layer of the pericardium corresponds to epicardium, which covers the heart externally.