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High density lipoprotein

High-density lipoproteins (HDL) form a class of lipoproteins, varying somewhat in their size (8-11 nm in diameter) and contents, that carry cholesterol from the body's tissues to the liver.

Because HDL can remove cholesterol from atheroma within arteries, and transport it back to the liver for excretion or re-utilization, they are seen as "good" lipoproteins.

Note:   The above text is excerpted from the Wikipedia article "High density lipoprotein", which has been released under the GNU Free Documentation License.
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May 24, 2015

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