Low density lipoprotein

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Low Density Lipoprotein (LDL)

Low Density Lipoprotein (LDL) /loʊ ˈdɛnsɪti lɪpəˌproʊtiːn/ is a type of lipoprotein that is often referred to as "bad cholesterol". It is one of the five major groups of lipoprotein which transport all fat molecules around the body in the extracellular water.

Etymology

The term "Low Density Lipoprotein" is derived from its characteristics. It is called "low density" because of its light weight in comparison to other lipoproteins, and "lipoprotein" because it is a combination of lipid (fat) and protein molecules.

Function

LDL particles transport cholesterol and triglycerides from the liver to the tissues of the body. High levels of LDL in the blood can lead to atherosclerosis, a condition where plaque builds up in the arteries, which can result in heart disease and stroke.

Related Terms

  • High Density Lipoprotein (HDL): Often referred to as "good cholesterol", HDL transports cholesterol from the tissues of the body back to the liver.
  • Cholesterol: A waxy, fat-like substance that's found in all the cells in your body.
  • Triglycerides: A type of fat (lipid) found in your blood.
  • Atherosclerosis: A disease in which plaque builds up inside your arteries.

See Also

External links

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