cholesterol molecule. skeletal formula of lipid

vector underweight triglycerides transport system structure structural steroid statins skeletal science protein plaque phospholipid overweight obesity obese nutrition molecule molecular model microbiology metabolism membrane medicine medical lipoprotein lipocyte lipid ldl layer human hormones homeostasis healthy healthcare health hdl formula formation food fatty fat energy endocrine disease diet dark cytoplasm cholesterol chemistry chemical cellular cell cardiovascular carbohydrate calories calorie body biology biochemistry bile