SalivationSialorrheaSubmandibular GlandSalivaPilocarpineTropicamideSalivary GlandsParasympathetic Nervous SystemAgeusiaMuscarinic AgonistsDrinking BehaviorParotid GlandQuinuclidinesLingual NerveAphidsOxotremorineEthacrynic AcidDiaminesSecretory RateXerostomiaParasympathomimeticsN-MethylscopolamineTremorAtropineCockroachesFeeding BehaviorCholinergic AgonistsReceptor, Muscarinic M3Receptors, MuscarinicSubstance P