The goal of this paper was to know the role of nitric oxide upon humannof platelets aggregation the rolr of nitric oxide within platelets aggregation Nitric Oxide (NO), a compound released by the endothelium of blood vessel as endothelium derived relaxing factor (EDRF), is also produced in the brain its syntkesis from argrinie, areaction catalyzed in the brain by nitrict Oxide Synthase (NOS). N…