The activation of factor IX by the tissue factor pathway.
D001777:Blood Coagulation; D005164:Factor IX / Q000502:physiology*; D005167:Factor VII / Q000502:physiology; D005170:Factor X / Q000502:physiology; D006487:Hemostasis; D006801:Humans; D013925:Thromboplastin / Q000502:physiology*
D005167:Factor VII; D005164:Factor IX; D005170:Factor X; D013925:Thromboplastin