Nerve BlockSympathetic Nervous SystemFemoral NerveSciatic NerveAnesthetics, LocalMandibular NervePeripheral NervesAutonomic Nerve BlockBupivacaineLidocaineObturator NerveSympathetic Fibers, PostganglionicMepivacaineBrachial PlexusLumbosacral PlexusAdrenergic FibersNerve FibersPeroneal NerveBaroreflexPain, PostoperativeNorepinephrineMaxillary NerveBlood PressureHeart RateElectric StimulationAnesthesia, DentalIntercostal NervesAmidesOptic NerveZygapophyseal JointNerve EndingsPressoreceptorsInguinal CanalTibial NervePain MeasurementAnesthesia, ConductionDental Pulp TestDenervationSplanchnic NervesSympathectomyPeripheral Nerve InjuriesNerve RegenerationMedian NerveSpinal NervesAmbulatory Surgical ProceduresHypogastric PlexusReflexAnalgesiaPrilocaineKidneyRats, Sprague-DawleyStellate GanglionAdjuvants, AnesthesiaSural NerveTrigeminal NerveFacial NerveNerve CrushAnesthesia, LocalHeartHeart BlockUlnar NerveNeural ConductionNeedlesPhrenic NerveEpinephrineMuscle, SkeletalSpinal Nerve RootsFemoral NeuropathyOrthopedic ProceduresNerve Growth FactorFootInjectionsNerve Growth FactorsAnalgesia, Patient-ControlledMedulla OblongataUltrasonography, InterventionalCatsInfusion PumpsGanglionic BlockersCarotid SinusTime FactorsVagus NervePain ManagementSympathomimeticsLumbosacral RegionChemoreceptor CellsParaventricular Hypothalamic Nucleus3-IodobenzylguanidineGuanethidineSympathectomy, ChemicalRadial NerveTyramineParasympathetic Nervous SystemSympatholyticsAnesthesia, SpinalAnesthesia, EpiduralCranial NervesNeurons, AfferentNerve Compression SyndromesNeurons, Efferent