Lipoproteins Cholesterol, Triglycerides and Lipoproteins Explanation of Terms Cholesterol, triglycerides, lipoproteins .
Cholesterol is an integral part of all of our tissues.
When pure it is a white soapy crystalline substance. It is found in highest concentration in the brain and other organs. It occurs as cholesterol and cholesterol ester, its storage form. Triglycerides are a series of substances we commonly call fats. They are composed of three fatty acids attached to a glycerol.