atherosclerosis medical cross section diagram, unhealthy blood vessel circulatory system disease.

anatomical anatomy artery atheroma atherosclerosis atherosclerotic attack biology blood body cardiology cardiovascular care cells cholesterol circulatory clot concept coronary design diagram disease embolus fat flow graphic health heart heartbeat human illustration infarct medical medicine plaque poster red scheme science scross section stroke structure system thrombosis thrombus unhealthy vector vein vessel