title: Platelets and initiation of intrinsic clotting.
mesh_terms: D001772:Blood Cell Count; D001777:Blood Coagulation; D001778:Blood Coagulation Disorders / Q000503:physiopathology; D001792:Blood Platelets / Q000032:analysis / Q000187:drug effects / Q000502:physiology*; D005172:Factor XI / Q000032:analysis; D005173:Factor XI Deficiency / Q000503:physiopathology; D005174:Factor XII / Q000032:analysis; D002836:Hemophilia B / Q000503:physiopathology; D006801:Humans; D010714:Phosphatidylethanolamines / Q000494:pharmacology; D011516:Prothrombin / Q000032:analysis; D013925:Thromboplastin / Q000032:analysis
chemical_list: D010714:Phosphatidylethanolamines; D011516:Prothrombin; D005174:Factor XII; D005172:Factor XI; D013925:Thromboplastin