blocked blood vessel, artery with cholesterol thrombus. 3d vein with clot

anatomical anatomy arteries arteriosclerosis artery atherosclerosis background biology blocked blood cardiology cardiovascular cholesterol circulation circulatory clogged clot concept coronary cut design disease erythrocyte fat fatty flow graphic health healthcare healthy human illustration infarct medical medicine organism problem red science section stream structure system thrombosis thrombus unhealthy vascular vector vein vessel