low-density lipoprotein (ldl) and high-density lipoprotein (hdl) cholesterol - closeup view 3d

apolipoprotein arteria arteries artery atherosclerosis blocked blood cell thinner cardiac cardiology cholesterol chylomicron circulation clogged colesterol coronary dangerous diet fat flow flowing hdl heart failure high-density lipoprotein hypercholesterolemia inactive ldl levels low-density microbiology micrograph obesity occlusion overweight passive plaque pressure red sedentary stroke triglyceride vascular vein vessel