Platelet AdhesivenessBlood Plateletsvon Willebrand FactorPlatelet AggregationBlood Coagulation TestsBlood Cell CountAdenine Nucleotidesvon Willebrand DiseasesFibrinolysisFibrinogenAdhesivenessPlatelet CountPlatelet Membrane GlycoproteinsCell AdhesionPlatelet Glycoprotein GPIb-IX ComplexRistocetinPlatelet Factor 4Factor VIIIPlatelet Transfusionvon Willebrand Disease, Type 2Platelet Glycoprotein GPIIb-IIIa ComplexPlatelet Function TestsBleeding TimeThrombinBlood Coagulation FactorsPlatelet Activating Factorvon Willebrand Disease, Type 1Cell AggregationP-SelectinAdenosine DiphosphateEndothelium, VascularHemostasisCrotalid VenomsCollagenAntigens, Human PlateletThrombosisBlood CoagulationWeibel-Palade BodiesThrombocytopeniaDeamino Arginine VasopressinMegakaryocytesCells, CulturedADAM Proteinsvon Willebrand Disease, Type 3Cell Adhesion MoleculesNeutrophilsAntibodies, MonoclonalEndotheliumLeukocytesBernard-Soulier SyndromeUmbilical VeinsPlatelet Membrane Glycoprotein IIbPurpura, Thrombotic ThrombocytopenicIntercellular Adhesion Molecule-1Microscopy, Electron, ScanningVascular Cell Adhesion Molecule-1Molecular Sequence DataIntegrinsProtein BindingBacterial AdhesionThromboxane A2HemorheologyTime FactorsEdetic AcidStress, MechanicalAmino Acid SequencePlatelet Factor 3AspirinRecombinant ProteinsCytoplasmic GranulesCalciumKinetics