Nitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIINitroprussideomega-N-MethylarginineArginineEndothelium, VascularVasodilationNitric Oxide Synthase Type IIBlood VesselsAorta, ThoracicVasodilator AgentsNitric Oxide DonorsAcetylcholineNitric Oxide Synthase Type ING-Nitroarginine Methyl EsterNitritesEnzyme InhibitorsNitratesAmino Acid OxidoreductasesNitrogen OxidesS-Nitroso-N-AcetylpenicillamineCyclic GMPOxidesPenicillamineMolsidomineGuanylate CyclaseNitroarginineRats, Sprague-DawleyS-NitrosoglutathioneS-NitrosothiolsRats, WistarCells, CulturedDose-Response Relationship, DrugZinc OxideLipopolysaccharidesNADPH DehydrogenaseEnzyme InductionPeroxynitrous AcidIndazolesOxadiazolesSuperoxidesExhalationBreath TestsGuanidinesMacrophagesFree Radical ScavengersBlood PressureRNA, MessengerAdministration, InhalationMice, Inbred C57BLVasoconstrictionTriazenesSignal TransductionAortaOxidative StressArginaseMuscle RelaxationMuscle, Smooth, VascularRegional Blood FlowTime FactorsHydrazinesMice, KnockoutOxygenNitrosationGene Expression Regulation, EnzymologicInterferon-gammaDisease Models, AnimalReactive Oxygen SpeciesBlotting, WesternEndothelial CellsOxidation-ReductionTumor Necrosis Factor-alphaDiethylaminesBradykininAmidinesQuinoxalinesIndomethacinReactive Nitrogen SpeciesCyclic GMP-Dependent Protein KinasesSuperoxide DismutaseImmunohistochemistryArteriolesVascular ResistanceMacrophage ActivationHemodynamicsCyclooxygenase InhibitorsEnzyme ActivationInterleukin-1Cell LineMacrophages, PeritonealIsothiuroniumEndothelium-Dependent Relaxing FactorsRabbitsMicrocirculationIsoenzymesLungCattleMethylene BlueCyclic N-Oxides