ArteriolesHypertensionRats, Inbred SHRRats, Inbred WKYBlood PressureVasodilationAntihypertensive AgentsPia MaterVasoconstrictionHypertension, RenalVenulesMicrocirculationRetinal ArteryHypertension, RenovascularVasodilator AgentsMuscle, Smooth, VascularDesoxycorticosteroneKidneyNitric OxideVascular ResistanceAngiotensin IIEndothelium, VascularReninVasoconstrictor AgentsNorepinephrineRats, Sprague-DawleyRenal CirculationHypertrophy, Left VentricularArteriesHeart RateNitroprussideAngiotensin-Converting Enzyme InhibitorsHydralazineAcetylcholineNG-Nitroarginine Methyl EsterVasomotor SystemMesenteric ArteriesRegional Blood FlowTetrazolesNitric Oxide SynthaseIntracranial Hemorrhage, HypertensiveCheekHypertensive EncephalopathyJuxtaglomerular ApparatusSodium Chloride, DietaryRats, Inbred StrainsCalcium Channel BlockersNitroarginineRats, WistarCaptoprilDose-Response Relationship, DrugNephrosclerosisCerebral ArteriesHypertension, Pregnancy-InducedSympathetic Nervous SystemEnzyme InhibitorsRats, Inbred DahlHemodynamicsBlood Pressure Monitoring, AmbulatoryLosartanHypertension, MalignantAmlodipineCapillariesNifedipineKidney GlomerulusDisease Models, AnimalNitric Oxide Synthase Type IIICoronary VesselsMicroscopy, VideoSodium ChlorideAortaSodium, DietaryTime FactorsCardiomegalyMuscle TonusAngiotensin II Type 1 Receptor BlockersRenal ArteryBody WeightRenin-Angiotensin SystemAldosteroneIndomethacinBlood Flow VelocityBenzimidazolesEndothelin-1BradykininHydrochlorothiazidePotassium ChlorideEnalaprilDiet, Sodium-RestrictedMuscle, SkeletalOrgan SizeBlood Pressure DeterminationPregnancy Complications, CardiovascularMesoporphyrinsHypertrophySplanchnic CirculationDihydropyridinesPhenylephrineAtenololMyocardium