close-up of a coagulated clot of red blood cells entangled in fibrin 3d rendering . thrombus, thrombosis, blood

anatomy artery biology bleeding blood bloodstream capillary cardiovascular cell cells circulation circulatory clot coagulated coagulation corpuscle danger disease erythrocytes fibrin flow health hemostasis illness illustration ischemia macro medical medicine microbiology microscopic myocardial pathology plasma red rendering science scientific stream stroke system thrombosis thrombus vascular vein vessel