Receptors, ThrombinThrombinReceptor, PAR-1HirudinsBlood PlateletsPlatelet ActivationThrombin TimeReceptor, PAR-2Platelet AggregationReceptors, Cell SurfacePeptide FragmentsAmino Acid SequenceMolecular Sequence DataHemostaticsThrombomodulinOligopeptidesBlood CoagulationProthrombinOrganothiophosphatesAntithrombinsCalciumCells, CulturedPhosphatidylinositolsHirudin TherapyFibrinogenGTP-Binding ProteinsProtein CPlatelet Glycoprotein GPIb-IX ComplexThromboplastinSignal TransductionEndothelium, VascularReceptors, Proteinase-Activatedp-FluorophenylalanineAntithrombin IIITosyllysine Chloromethyl KetoneFibrinopeptide AKineticsPlatelet Aggregation InhibitorsPlatelet Membrane GlycoproteinsThrombosisUmbilical VeinsPlatelet Glycoprotein GPIIb-IIIa ComplexHeparin Cofactor IIProtein Kinase C6-Ketoprostaglandin F1 alphaFactor Xa15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidRecombinant ProteinsHydrolysisRNA, MessengerAmino Acid Chloromethyl KetonesPeptidesFibrinMuscle, Smooth, VascularGTP-Binding Protein alpha Subunits, G12-G13Prostaglandin Endoperoxides, SyntheticPertussis ToxinTrypsinVirulence Factors, BordetellaAdenosine DiphosphateCell LineBinding SitesP-SelectinEnzyme ActivationPipecolic AcidsCathepsin GHeparinType C PhospholipasesFibrinopeptide BBase SequenceDose-Response Relationship, DrugPhosphorylationBlotting, NorthernCell MembraneEndopeptidasesFibrinolytic AgentsMegakaryocytesSerine EndopeptidasesPlatelet AdhesivenessPartial Thromboplastin TimePlatelet-Derived Growth FactorMethionyl AminopeptidasesCytosolBlood Coagulation TestsSerotoninProtein Binding