4-AminopyridineAminopyridinesPotassium Channel BlockersTetraethylammoniumTetraethylammonium CompoundsPotassium ChannelsMembrane PotentialsPotassiumCalciumPotassium Channels, Voltage-GatedAction PotentialsCharybdotoxinPatch-Clamp TechniquesElectrophysiologyHistamine ReleaseTetrodotoxinDelayed Rectifier Potassium ChannelsNeuromuscular Depolarizing AgentsKv1.5 Potassium ChannelElapid VenomsBarium CompoundsApaminRats, Sprague-DawleyElectric StimulationElectric ConductivityBariumDose-Response Relationship, DrugRats, WistarGuinea PigsCells, CulturedNeuronsNeurotransmitter AgentsSynaptic TransmissionCesiumGlyburideKineticsCalcium Channel BlockersAcetylcholineIon ChannelsTime FactorsPotassium Channels, Calcium-ActivatedHippocampusQuinidineScorpion VenomsCalcium ChannelsKv1.4 Potassium ChannelIon Channel GatingShaw Potassium ChannelsNeuromuscular JunctionPresynaptic TerminalsDelayed-Action PreparationsQuinineNerve EndingsMuscle, Smooth, VascularRabbitsKv1.1 Potassium ChannelNorepinephrineGlutamic AcidPotassium ChlorideMuscle ContractionMicroelectrodesQuinoxalinesVasodilationShab Potassium ChannelsRyanodine Receptor Calcium Release ChannelEnzyme InhibitorsProcaineNitric OxideEvoked PotentialsEndothelium-Dependent Relaxing FactorsTubocurarineAdenosine TriphosphateKv1.2 Potassium ChannelDogsSynapsesRats, Inbred StrainsMuscle RelaxationConvulsantsCalcium SignalingCadmiumgamma-Aminobutyric AcidCarbohydrate SequencePyridostigmine BromideRyanodineEgtazic AcidSerotoninExcitatory Amino Acid AntagonistsSodiumMuscle, SmoothShaker Superfamily of Potassium ChannelsAnimals, NewbornPyramidal CellsVasodilator AgentsCromakalimShal Potassium ChannelsHeartVerapamilReceptors, PresynapticLarge-Conductance Calcium-Activated Potassium ChannelsExtracellular Space