Definition of LDL (low-density lipoprotein)

LDL (low-density lipoprotein): A molecule that is a combination of lipid (fat) and protein. Lipoproteins are the form in which lipids are transported in the blood.

Low-density lipoprotein (LDL) transports cholesterol from the liver to the tissues of the body. LDL cholesterol is therefore considered the "bad" cholesterol.

Last Editorial Review: 6/14/2012

Cholesterol Levels Pictures Slideshow: What They Mean, Diet and Treatment
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