atherosclerosis handwritten on chalkboard. 3d .

angioplasty apoplexy arteries arteriosclerosis artery atheromatous atherosclerosis attack black blackboard blockage blood cardiology cardiovascular chalk chalkboard cholesterol circulation clogged clot coronary deposition desk disease fat fatty flow green handwritten heart hypertension infarction inner lipoprotein myocardial occlusion phonendoscope plaque plaques rendering stethoscope stroke vascular vein vessel wall