Whey is the liquid remaining after milk has been curdled and strained. It is a by-product of the manufacture of cheese or casein and has several commercial uses. Sweet whey is manufactured during the making of rennet types of hard cheese like cheddar or Swiss cheese.
The endocardium underlies the much more voluminous myocardium, the muscular tissue responsible for the contraction of the heart. The outer layer of the heart is termed epicardium and the heart is surrounded by a small amount of fluid enclosed by a fibrous sac called the pericardium. 1 Function.
Visceral layer of serous pericardium: This layer is closely applied to the heart and is often called the epicardium. There exists a slit like space between the parietal and visceral layers of serous pericardium.This space is known as pericardial cavity and it contains a small amount of tissue fluid called pericardial fluid. Pericardial fluid acts as a lubricant to facilitate the movements of heart.isceral layer of serous pericardium: This layer is closely applied to the heart and is often called the epicardium. There exists a slit like space between the parietal and visceral layers of serous pericardium.