CromakalimBenzopyransPyrrolesPotassium RadioisotopesGlyburidePinacidilMinoxidilRubidium RadioisotopesNicorandilPotassium ChannelsParasympatholyticsDiazoxideVasodilator AgentsGuanidinesPicolinesMuscle RelaxationNifedipineGuinea PigsNiacinamideMuscle ContractionKATP ChannelsAdenosine TriphosphateAorta, ThoracicCharybdotoxinMuscle, SmoothTracheaDecanoic AcidsHydroxy AcidsMuscle, Smooth, VascularPyransPotassiumRubidiumMicroelectrodesNitroprussideVasodilationMembrane PotentialsParasympathetic Nervous SystemUreterSulfonylurea CompoundsNitroglycerinPotassium Channel BlockersTetraethylammonium Compounds