molecule of cholesterol, chemical structure

cholesterol formula molecule chemical icon structure molecular chemistry medicine medicina health chemicals vector cell level high test medical science blood fat fatty acid steroid lipids colesterol chart diagram control hypercholesterolemia hyperlipidemia ldl hdl good bad lipoprotein healthy heart sign symbol logo pictogram type biomedicine biochemistry kolesterol atomic skeletal structural scheme hexagon design line flat isolated white background icons signs logos clipart web abstract clip art symbols computer graphic graphics drawing cartoon formulas molecules