Platelet ActivationBlood PlateletsPlatelet AggregationPlatelet AdhesivenessPlatelet CountPlatelet Membrane GlycoproteinsPlatelet Factor 4P-SelectinThrombinPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Glycoprotein GPIb-IX ComplexPhosphatidylinositol 3-Kinasesbeta-ThromboglobulinAdenosine DiphosphatePlatelet Function TestsMAP Kinase Signaling SystemProtein KinasesThrombosisProtein-Serine-Threonine KinasesThromboxane A2Platelet Activating FactorPlatelet TransfusionFibrinogensrc-Family KinasesThromboxane B2Platelet Aggregation InhibitorsBleeding TimeReceptors, Purinergic P2Y12Protein Kinase InhibitorsProtein Kinase CCalcium-Calmodulin-Dependent Protein Kinasesvon Willebrand FactorPlatelet Membrane Glycoprotein IIbBlood CoagulationAspirinPhosphorylationCollagenThrombocytopeniap38 Mitogen-Activated Protein KinasesReceptors, ThrombinProtein-Tyrosine KinasesMegakaryocytesSignal TransductionCyclic AMP-Dependent Protein KinasesHemostasisCalciumMitogen-Activated Protein Kinase 1Antigens, CD63SerotoninKineticsFlow CytometryDual Specificity Phosphatase 2p21-Activated KinasesMitogen-Activated Protein Kinase KinasesJNK Mitogen-Activated Protein KinasesThromboxanesMitogen-Activated Protein Kinase 3TyrosineProtein BindingApyraseAntigens, Human PlateletReceptor, PAR-1Creatine Kinase15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidMolecular Sequence DataCDC2 Protein KinaseMAP Kinase Kinase KinasesCyclin-Dependent KinasesPhosphoproteinsDose-Response Relationship, DrugReceptors, CollagenPurinergic P2Y Receptor AntagonistsCytoplasmic GranulesProstaglandin Endoperoxides, SyntheticTime FactorsCasein Kinase IIeIF-2 KinaseCasein KinasesIsoenzymesCrotalid VenomsAmino Acid SequencePyruvate KinaseRibosomal Protein S6 KinasesEnzyme ActivationReceptors, ThromboxaneRecombinant ProteinsMice, KnockoutAntibodies, MonoclonalCyclic AMPMAP Kinase Kinase 1Receptor Protein-Tyrosine KinasesImmunoglobulin Fab FragmentsMitogen-Activated Protein KinasesThymidine KinaseIntracellular Signaling Peptides and ProteinsExtracellular Signal-Regulated MAP KinasesEpoprostenolCells, CulturedPhosphotransferases (Alcohol Group Acceptor)MAP Kinase Kinase 4