Platelet Membrane GlycoproteinsBlood PlateletsPlatelet AggregationThrombastheniaPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Glycoprotein GPIb-IX ComplexPlatelet AdhesivenessEndothelial CellsFibrinogenvon Willebrand FactorPlatelet CountAntigens, Human PlateletCell MembraneAntibodies, MonoclonalThrombinGlycoproteinsImmunoglobulin Fab FragmentsPlatelet Aggregation InhibitorsAdenosine DiphosphateBleeding TimeRistocetinThrombocytopeniaPlatelet ActivationCrotalid VenomsPlatelet Factor 4Cells, CulturedMolecular Sequence DataPlatelet TransfusionMegakaryocytesThrombosisPlatelet Membrane Glycoprotein IIbAmino Acid SequencePlatelet Function TestsP-SelectinEpitopesPlatelet Activating FactorBernard-Soulier SyndromeMembrane ProteinsIntegrin alpha2MembranesUmbilical VeinsMembrane LipidsCell AdhesionBenzamidinesProtein BindingCollagenPeptidesIntegrin beta3EndotheliumEndothelium, VascularAspirinOligopeptidesIntracellular MembranesMembrane GlycoproteinsCell LineBinding SitesCell Membrane PermeabilityRecombinant ProteinsMembrane PotentialsPeptide FragmentsMolecular WeightCalciumHeparinKineticsHuman Umbilical Vein Endothelial CellsCricetinaePurpura, Thrombocytopenic, IdiopathicHemorheologyErythrocyte MembraneFlow CytometryBlood CoagulationElectrophoresis, Polyacrylamide GelMembranes, ArtificialPurpura, ThrombocytopenicCattleTyrosineReceptors, Cell SurfaceFibrinolytic AgentsDual Specificity Phosphatase 2Base SequenceDose-Response Relationship, DrugTime FactorsHemorrhageSignal TransductionIntegrinsCHO CellsReceptors, VitronectinMicroscopy, ElectronFluorescent Antibody TechniqueMembrane FluidityHemostasisRabbitsvon Willebrand DiseasesAntibodiesReceptors, CollagenImmunosorbent TechniquesDogsThrombospondinsBlotting, WesternStress, Mechanical