Cyclic GMPDibutyryl Cyclic GMPGuanylate CyclasePurinones3',5'-Cyclic-GMP PhosphodiesterasesMethylene BlueCyclic AMPNitroprussideNitric OxideNucleotides, CyclicAtrial Natriuretic FactorGuanosine Monophosphate1-Methyl-3-isobutylxanthineOxadiazolesCyclic GMP-Dependent Protein KinasesRod Cell Outer SegmentMuscle RelaxationPhotoreceptor CellsPhosphodiesterase InhibitorsPenicillamine3',5'-Cyclic-AMP PhosphodiesterasesPhosphoric Diester HydrolasesReceptors, Atrial Natriuretic FactorAorta, ThoracicS-Nitroso-N-AcetylpenicillamineArginineQuinoxalines8-Bromo Cyclic Adenosine MonophosphateMolsidomineGMP ReductaseNitric Oxide DonorsCalciumNitric Oxide SynthaseCyclic Nucleotide Phosphodiesterases, Type 5Rana catesbeianaMuscle, Smooth, VascularKineticsCyclic GMP-Dependent Protein Kinase Type IPapaverineAminoquinolinesNitroarginineNitroso CompoundsNatriuretic PeptidesVasodilator AgentsCarbacholTheophyllineomega-N-MethylarginineNatriuretic Peptide, C-TypeDose-Response Relationship, DrugRats, Inbred StrainsS-NitrosoglutathioneRolipramCattleBucladesineAcetylcholineEndothelium, VascularNG-Nitroarginine Methyl EsterTrazodoneStimulation, ChemicalOrganic Chemistry PhenomenaGuinea PigsSecond Messenger SystemsIndazolesNitroglycerinAortaEnzyme InhibitorsCells, CulturedIsoproterenolBufo marinusGuanosine TriphosphateBradykininLightRats, WistarEnzyme ActivationGuanine NucleotidesInosine TriphosphateMuscle ContractionCalcimycinThionucleotidesColforsinMuscle, SmoothTransducin2',3'-Cyclic-Nucleotide PhosphodiesterasesPyrrolidinonesPhosphodiesterase 5 InhibitorsVasodilationVinca AlkaloidsAmino Acid OxidoreductasesCromakalimRabbitsOxyhemoglobinsMethacholine CompoundsPenisProtoveratrinesHistamineAmbystomaPhenylephrineBiological FactorsNorepinephrineFerricyanides