Platelet ActivationBlood PlateletsPlatelet AggregationPlatelet Membrane GlycoproteinsPlatelet AdhesivenessAdenosine DiphosphatePlatelet CountThrombinPlatelet Glycoprotein GPIIb-IIIa ComplexP-SelectinThromboxane A2Receptors, Purinergic P2Y12Platelet Factor 4Fibrinogen15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidThrombosisPlatelet Glycoprotein GPIb-IX ComplexPlatelet Aggregation InhibitorsProstaglandin Endoperoxides, SyntheticPlatelet TransfusionPlatelet Function TestsCollagenPlatelet Activating FactorEpinephrineCalciumbeta-ThromboglobulinBleeding TimeThrombocytopeniavon Willebrand FactorPlatelet Membrane Glycoprotein IIbArachidonic AcidAspirinBlood CoagulationMegakaryocytesSignal TransductionAntigens, Human PlateletThromboxane B2SerotoninPhosphorylationHemostasisReceptors, ThrombinThromboxanesAntigens, CD63ApyraseDose-Response Relationship, DrugFlow CytometryCrotalid VenomsDual Specificity Phosphatase 2Cytoplasmic GranulesPlatelet Factor 3Receptor, PAR-1RistocetinThrombastheniaDopamine AgonistsReceptors, ThromboxaneReceptors, CollagenEpoprostenolImmunoglobulin Fab FragmentsKineticsAntibodies, MonoclonalPlatelet-Rich PlasmaReceptors, Purinergic P2Y1Blood ProteinsTime FactorsPlatelet Storage Pool DeficiencyHemorheologyThrombopoietinBlood Coagulation FactorsHeparinBernard-Soulier SyndromeArachidonic AcidsThrombopoiesisOligopeptidesPurinergic P2Y Receptor AntagonistsThrombocytosisRabbitsHirudinsPurpura, ThrombocytopenicReceptors, Purinergic P2Mice, KnockoutCD40 LigandCell MembraneEndothelium, VascularCells, CulturedCyclic AMPLeukocytesMice, Inbred C57BLCalcimycinBlood Cell CountPeptide FragmentsProtein BindingFibrinBlood PreservationReceptors, Thromboxane A2, Prostaglandin H2Molecular Sequence DataGABA AgonistsAmino Acid SequenceIntegrin alpha2beta1Blood Coagulation DisordersThrombospondins