what is the function of epicardium
These 10 facts about space will blow your mind. The epicardium is a layer of muscle located on the outside of the heart. A continuous piece of muscle, this tissue performs a protective role, helping hold the other muscles close together.hese 10 facts about space will blow your mind. The epicardium is a layer of muscle located on the outside of the heart. A continuous piece of muscle, this tissue performs a protective role, helping hold the other muscles close together.