What is another word for epicardium?
Pronunciation: [ˌɛpɪkˈɑːdi͡əm] (IPA) 
The epicardium, also known as the visceral layer of the pericardium, is a thin membrane that covers the outer surface of the heart. The term epicardium is derived from the Greek words epi, meaning "upon," and kardia, meaning "heart." The epicardium is composed of a layer of epithelial cells, connective tissue, and blood vessels. Synonyms for the epicardium include the heart's outer layer, the visceral pericardium, and the serous pericardium. The epicardium is an important part of the heart, providing protection and support for the cardiac muscle, and is also involved in regulating blood flow and nutrient exchange within the heart.
