Blood PlateletsPlatelet AggregationPlatelet CountPlatelet AdhesivenessPlatelet Membrane GlycoproteinsPlatelet Factor 4ThrombinAdenosine DiphosphatePlatelet TransfusionSerotoninPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Glycoprotein GPIb-IX ComplexMegakaryocytesbeta-ThromboglobulinPlatelet ActivationBlood Platelet DisordersThrombocytopeniaPlatelet Activating FactorPlatelet Function TestsFibrinogenProstanoic AcidsP-Selectinvon Willebrand FactorAdenine NucleotidesAspirinThrombopoiesisCollagenBlood Cell CountThromboxane A2Blood CoagulationHemostasisAntigens, Human PlateletThrombosisThrombopoietinCytoplasmic GranulesRabbitsAlphaprodineThromboxanesErgoloid MesylatesMopidamolBlood PreservationPhotiniaAfibrinogenemiaBleeding TimeCycloheptanesErgotamineIprindoleReceptors, ThromboxaneKineticsBlood ProteinsCalciumEpinephrinePlatelet Membrane Glycoprotein IIbEpoprostenolArachidonic AcidsCell MembranePlatelet Factor 3ImipramineMicroscopy, ElectronOrganoidsBlood Coagulation DisordersCytoskeletonAdenosine TriphosphatePlatelet Aggregation InhibitorsTime FactorsProstaglandinsCalcimycinArachidonic AcidIsonipecotic AcidsReceptors, ThrombopoietinEdetic AcidMethysergideImmunochemistryMolecular WeightReceptors, Purinergic P2Y12Receptors, ProstaglandinStilbenesAntibodies, MonoclonalPlatelet Storage Pool DeficiencyHeparinRistocetinElectrophoresis, Polyacrylamide GelThrombastheniaDose-Response Relationship, DrugActininOligopeptidesPurpura, ThrombocytopenicGlycoproteinsBinding, CompetitiveActinsPseudopodiaFlow CytometryPhosphorylationCrotalid VenomsReserpineEgtazic AcidCell SizeEndotheliumMolecular Sequence DataMicroscopy, Electron, Scanning