AnestheticsAnesthetics, LocalVasoconstrictor AgentsAnesthetics, InhalationVasoconstrictionAnesthetics, GeneralAnesthetics, IntravenousIsofluraneHalothaneLidocaineAnesthetics, CombinedAnesthesia, LocalEnfluraneAnesthesiaEndothelinsMethyl EthersEndothelin-1BupivacaineNorepinephrineAnesthetics, DissociativePropofolAnesthesia, DentalPrilocaineVascular ResistanceAnesthesia, GeneralMethoxyfluraneBlood PressureRegional Blood FlowDose-Response Relationship, DrugMepivacaineAnesthesia, InhalationMesenteric ArteriesBenzocaineNerve BlockPhenylephrineTetracaineKetamineSympathetic Nervous SystemVasomotor SystemVasodilationAngiotensin IIReceptors, Endothelin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidProcaineNitrous OxideMuscle, Smooth, VascularVasodilator AgentsHemodynamicsThiopentalRats, Sprague-DawleyEtomidateMethoxamineForearmDogsEtherCarticaineNitric OxideRenal CirculationDibucaineReceptor, Endothelin AAnesthesiologyPentobarbitalTyramineAdrenergic alpha-AgonistsPotassium ChlorideAnesthesia, IntravenousNordefrinArteriesArteriolesEndothelium, VascularHeart RateThromboxane A2Receptor, Endothelin BAmidesRats, WistarEtidocaineNG-Nitroarginine Methyl EsterPerfusionAcetylcholineProstaglandin Endoperoxides, SyntheticUrotensinsTime FactorsAnesthesia, ConductionIndomethacinAnesthesia, EpiduralNitroprussideSerotoninAdjuvants, AnesthesiaChloroformSplanchnic CirculationNitric Oxide SynthaseAnesthesia Recovery PeriodReceptors, ThromboxaneXylazineAnesthesia, ObstetricalSkin TemperatureEthersAdrenergic alpha-AntagonistsMuscle TonusFentanyl