step of atherosclerosis graphic . fat stuck in the blood artery cholesterol

anatomical artery atherosclerosis atherotrombosis bleeding blood branch cardiovascular care cell cholesterol clean clearance cut danger disease erythrocyte fat flat flow gap graphic healthy heart human icon illness illustration infarction inside isolated leukocyte medicine myocardial plaque plasma platelet problem pulse red risk slice step structure stuck thrombocyte tromb vascular vector vein vessel white