LDL cholesterol
LDL Cholesterol
LDL cholesterol (pronounced el-dee-el koh-les-ter-ol), also known as Low-Density Lipoprotein cholesterol, is a type of lipid that is often referred to as "bad cholesterol".
Etymology
The term "LDL cholesterol" is derived from the English words "Low-Density Lipoprotein cholesterol". "Low-Density" refers to the physical characteristic of the lipoprotein, and "Lipoprotein" is a compound made up of a protein and a lipid, carrying fats around the body. "Cholesterol" is a specific type of lipid that is a vital component of cell membranes.
Definition
LDL cholesterol is a substance in the body that can build up on the walls of the arteries, leading to a condition known as atherosclerosis. This can increase the risk of heart disease and stroke.
Related Terms
- HDL Cholesterol: Known as "good cholesterol", HDL cholesterol helps remove LDL cholesterol from the bloodstream.
- Triglycerides: Another type of fat (lipid) found in your blood. When you eat, your body converts any calories it doesn't need to use right away into triglycerides.
- Lipid profile: A group of tests that are often ordered together to determine risk of coronary heart disease.
- Atherosclerosis: A disease in which plaque builds up inside your arteries.
- Heart disease: A range of conditions that affect your heart.
- Stroke: A disease that affects the arteries leading to and within the brain.
External links
- Medical encyclopedia article on LDL cholesterol
- Wikipedia's article - LDL cholesterol
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