Receptor, Endothelin AReceptors, EndothelinReceptor, Endothelin BEndothelinsEndothelin-1Endothelin-3Endothelin-2Peptides, CyclicViper VenomsPhenylpropionatesSulfonamidesVasoconstrictionPyrrolidinesAspartic Acid EndopeptidasesAzepinesIndansOligopeptidesVasoconstrictor AgentsPiperidinesMetalloendopeptidasesBlood PressureRats, Sprague-DawleyAntihypertensive AgentsEndothelium, VascularMuscle, Smooth, VascularHypertension, PulmonaryProtein PrecursorsPeptidesHemodynamicsNitric OxideRats, WistarRNA, MessengerRenal CirculationVascular ResistanceKidneyDose-Response Relationship, DrugHypertensionDioxolesRats, Inbred WKYDansyl CompoundsCells, CulturedVasodilator AgentsPulmonary ArteryMuscle ContractionPyrimidinesAtrial Natriuretic FactorMesenteric ArteriesAngiotensin IIIndolesRats, Inbred SHRMyocardiumCoronary VesselsNicardipineGlycopeptidesAortaCalciumArteriolesNeprilysinIsoxazolesVasodilationTetrazolesNitric Oxide SynthaseBinding, CompetitiveMelanocytesRegional Blood FlowPyridazinesDesoxycorticosteroneRadioimmunoassaySignal TransductionSwineEnzyme InhibitorsHirschsprung DiseaseTime FactorsDisease Models, AnimalKidney MedullaRats, Inbred StrainsVasomotor SystemAorta, ThoracicPulmonary Circulationomega-N-MethylarginineRadioligand AssayMolecular Sequence DataNG-Nitroarginine Methyl EsterArteriesRabbitsIodine RadioisotopesForearmLentigoPerfusionPhenylephrineCarboprostMuscle, SmoothDiuresisPeptide FragmentsVasopressinsProtein Kinase CGene ExpressionDogsAnoxiaMicrocirculation