Substance PReceptors, Neurokinin-1TachykininsNeurokinin-1 Receptor AntagonistsNeurokinin APhysalaeminReceptors, TachykininEledoisinReceptors, Neurokinin-2Calcitonin Gene-Related PeptideSubstance-Related DisordersCapsaicinReceptors, NeurotransmitterQuinuclidinesNeurokinin BIsoindolesVasoactive Intestinal PeptideReceptors, Neurokinin-3Guinea PigsNeuropeptidesSubstance Abuse Treatment CentersKassininNeurogenic InflammationSpinal CordBiphenyl CompoundsNeurons, AfferentDose-Response Relationship, DrugThiorphanPiperidinesBradykininMuscle, SmoothBombesinThiobarbituric Acid Reactive SubstancesRats, Sprague-DawleyEnkephalin, MethioninePyrrolidonecarboxylic AcidMuscle ContractionNeurotensinHumic SubstancesAtropineIleumNerve FibersNeurotransmitter AgentsHazardous SubstancesGanglia, SpinalNeprilysinElectric StimulationParotid GlandKidney PelvisDiagnosis, Dual (Psychiatry)Rats, Inbred StrainsNeuronsAcetylcholineTracheaInjections, SpinalSomatostatinStreet DrugsGanglia, SympatheticRats, WistarSerotoninp-Methoxy-N-methylphenethylamineHistamineRadioimmunoassayPainTime FactorsNeuropeptide YSalivationExtravasation of Diagnostic and Therapeutic MaterialsGuanethidineImmunohistochemistryIrisHistamine ReleaseNociceptorsMyenteric PlexusPeptide FragmentsMarijuana AbuseSubstance Abuse DetectionTetrodotoxinVasodilationCapillary PermeabilityMast CellsPeptidesCarbacholProtein Precursors