Platelet ActivationBlood PlateletsPlatelet AggregationPlatelet AdhesivenessPlatelet CountPlatelet Membrane GlycoproteinsPlatelet Factor 4P-SelectinThrombinPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Glycoprotein GPIb-IX Complexbeta-ThromboglobulinAdenosine DiphosphatePlatelet Function TestsThrombosisThromboxane A2Platelet Activating FactorPlatelet TransfusionFibrinogenThromboxane B2Platelet Aggregation InhibitorsReceptors, Purinergic P2Y12Bleeding Timevon Willebrand FactorPlatelet Membrane Glycoprotein IIbBlood CoagulationAspirinThrombocytopeniaCollagenReceptors, ThrombinSerotoninMegakaryocytesHemostasisDopamine AgonistsAntigens, CD63Dual Specificity Phosphatase 2CalciumDose-Response Relationship, DrugThromboxanesFlow Cytometry15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidReceptor, PAR-1ApyraseAntigens, Human PlateletProstaglandin Endoperoxides, SyntheticReceptors, ThromboxanePurinergic P2Y Receptor AntagonistsReceptors, CollagenCrotalid VenomsCytoplasmic GranulesSignal TransductionReceptors, Purinergic P2Y1Immunoglobulin Fab FragmentsPhosphorylationKineticsEpoprostenolEpinephrineGABA AgonistsAntibodies, MonoclonalThrombastheniaRistocetinCD40 LigandTime FactorsReceptors, Purinergic P2HeparinOligopeptidesHemorheologyMice, KnockoutBlood ProteinsPurinergic P1 Receptor AgonistsArachidonic AcidCyclic AMPHirudinsPlatelet-Rich PlasmaArachidonic AcidsMice, Inbred C57BLCells, CulturedPlatelet Factor 3Muscarinic AgonistsBernard-Soulier SyndromeTiclopidineEndothelium, VascularPeptide FragmentsAdrenergic AgonistsNicotinic AgonistsPhosphatidic AcidsBlood Coagulation FactorsPurinergic P2 Receptor AntagonistsThrombopoietinRabbitsReceptors, Thromboxane A2, Prostaglandin H2Protein BindingCell MembraneLeukocytesAdrenergic alpha-2 Receptor AgonistsClot RetractionMicrofilament ProteinsMolecular Sequence DataReceptors, IgGTyrosine