Intermediate-Conductance Calcium-Activated Potassium ChannelsPotassium Channels, Calcium-ActivatedPotassium ChannelsPotassium Channel BlockersEndothelium, VascularPotassiumSmall-Conductance Calcium-Activated Potassium ChannelsCharybdotoxinIon Channel GatingVasodilationPotassium Channels, Inwardly RectifyingMembrane PotentialsPotassium Channels, Voltage-GatedIon ChannelsApaminPatch-Clamp TechniquesVasodilator AgentsAcetylcholineCalcium ChannelsElectrophysiologyShaker Superfamily of Potassium ChannelsCalciumNitroglycerinKv1.3 Potassium ChannelBiological FactorsNitroprussideNitric OxideKv1.2 Potassium ChannelBenzimidazolesKv1.1 Potassium ChannelElectric ConductivityEndotheliumVasoconstrictionEther-A-Go-Go Potassium ChannelsShaw Potassium ChannelsDose-Response Relationship, DrugKCNQ1 Potassium ChannelCalcium SignalingLarge-Conductance Calcium-Activated Potassium ChannelsKCNQ Potassium ChannelsVasoconstrictor AgentsBrachial ArteryKv1.5 Potassium ChannelRegional Blood FlowMuscle, Smooth, VascularChloride ChannelsArteriesShab Potassium ChannelsKv1.4 Potassium ChannelKATP ChannelsPotassium Channels, Tandem Pore DomainKCNQ2 Potassium ChannelKCNQ3 Potassium ChannelKineticsCalcium Channel BlockersCalcium Channels, L-TypeShal Potassium ChannelsNitric Oxide SynthaseTetraethylammoniumCells, CulturedMolecular Sequence DataG Protein-Coupled Inwardly-Rectifying Potassium ChannelsOocytesGlyburideDelayed Rectifier Potassium ChannelsSodiumXenopus laevisAmino Acid SequenceCystic Fibrosis Transmembrane Conductance RegulatorAdenosine TriphosphateAction PotentialsChloridesNeuronsEndothelium, Corneal4-AminopyridineXenopusCell LineBariumCalcium, DietaryTime FactorsRats, Sprague-DawleyCalcium Channels, N-TypeTetraethylammonium CompoundsLarge-Conductance Calcium-Activated Potassium Channel alpha SubunitsCell MembraneMutationScorpion VenomsIon TransportCalcium Channel AgonistsSodium Channel BlockersModels, BiologicalCromakalimRabbitsHydrogen-Ion ConcentrationPinacidilPotassium ChloridePotassium, DietaryCesiumRats, WistarSulfonylurea Receptors