ldl bad front and hdl good back lipoprotein cholesterol closeup view illustration |
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| navigate by keyword : ldl hdl lipoprotein high density low chylomicron apolipoprotein arteria arteries artery atherosclerosis blocked blood cell thinner cardiac cardiology cholesterol circulation clogged colesterol coronary dangerous diet fat flow flowing heart failure triglyceride hypercholesterolemia micrograph obesity occlusion overweight passive plaque pressure red sedentary stroke vascular vein vessel inactive levels microbiology |
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| Cholesterol is any of a class of certain organic molecules called lipids. It is a sterol (or modified steroid),[3] a type of lipid.[1] Cholesterol is biosynthesized by all animal cells and is an essential structural component of animal cell membranes. When chemically isolated, it is a yellowish crystalline solid. |
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