ArteriolesEndothelium, VascularVasodilationVasodilator AgentsAcetylcholineNitroglycerinNitroprussideNitric OxideVasoconstrictionEndotheliumVasoconstrictor AgentsBrachial ArteryRegional Blood FlowArteriesMuscle, Smooth, VascularNitric Oxide SynthaseDose-Response Relationship, DrugEndothelium, CornealPia MaterVenulesMicrocirculationRetinal ArteryCells, CulturedEndothelial CellsCapillariesEndothelium, LymphaticRats, Sprague-DawleyCell AdhesionEnzyme InhibitorsNG-Nitroarginine Methyl EsterNitroarginineCoronary VesselsNitric Oxide Synthase Type IIISignal TransductionVasomotor SystemMice, Inbred C57BLRabbitsCalciumCheekIndomethacinMicroscopy, VideoRats, WistarSwineTime FactorsBiological FactorsCerebral ArteriesAortaJuxtaglomerular ApparatusMice, KnockoutVascular ResistanceRNA, MessengerBlood PressurePotassium ChlorideNorepinephrineStress, MechanicalBradykininUmbilical VeinsMesenteric ArteriesCell LineImmunohistochemistryMolecular Sequence DataBlood VesselsMuscle, SkeletalMuscle TonusArginineRats, Inbred WKYLeukocytesRenal CirculationKidneyRetinal VesselsIntercellular Adhesion Molecule-1AdenosineMesocricetusMicrovesselsAorta, Thoracic15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidKidney GlomerulusCell MovementCapillary PermeabilityPerfusionVascular Cell Adhesion Molecule-1Rats, Inbred SHRCell Adhesion MoleculesPhenylephrineMesoporphyrinsSwine, MiniatureCyclooxygenase InhibitorsDisease Models, AnimalKineticsBlood Flow VelocityPhosphorylationSplanchnic CirculationEndothelinsEndothelin-1Angiotensin IIOxygenCattleHydrazinesGene Expression RegulationMuscle Contraction