grouping of blood cells forming a clot covered by a protein called fibrin

blood clot coagulation fibrin heart attack risk vascular erythrocytes ischemic embolism circulation cells disease circulatory cardiovascular thrombus thrombocytes thrombosis stroke artery vein blocked platelet clotting ischemia cardiology pulmonary deep fibrillation care vessels sticky anatomical system disorder conceptual medicine grouping forming covered protein called fibrin