Low-Density Lipoprotein molecule : A lipoprotein (from the Greek lipos, for fat) is a fat-and-protein package that enables fats and cholesterol to move freely within the bloodstream (fats and blood, like oil and water, do not mix). Proteins and other components make up the outer shell of the lipoprotein; cholesterol and other fats are packed together inside. The size and density of the lipoprotein determines whether its cholesterol is classified as “good” or “bad.” Low-density lipoproteins (LDL) are larger, lighter, and fluffier; high-density lipoproteins (HDL) are small and dense. LDL cholesterol, HDL cholesterol and other lipid components contribute to your total blood cholesterol value.
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