PupilSphincter of OddiPupil DisordersAnal CanalManometryIrisEsophagogastric JunctionTonic PupilSphincter of Oddi DysfunctionReflex, PupillaryEsophageal Sphincter, UpperFecal IncontinenceDilatationUrinary Sphincter, ArtificialPressureUrethraMiosisMydriaticsEsophagusTropicamideCommon Bile Duct DiseasesEsophageal AchalasiaPeristalsisMuscle RelaxationVasodilationMuscle ContractionMydriasisMuscle, SmoothPharyngeal MusclesGastroesophageal RefluxOpossumsPylorusAmpulla of VaterDeglutitionVasodilator AgentsLacerationsAnisocoriaAnus DiseasesRectumUrodynamicsMuscle TonusElectromyographyAcetylcholineAtropineFissure in AnoPerineumAccommodation, OcularArteriolesNitroglycerinReflexRectal ProlapseUrinary Bladder, NeurogenicPalinuridaeUrinationGastrointestinal MotilityDefecationAdie SyndromeNitroprussideElectric StimulationPharynxRefraction, OcularCatsAberrometrySchoolsArtificial OrgansEye ColorParasympatholyticsCyclopentolateEsophagitisNephropidaeDose-Response Relationship, DrugUrinary BladderBethanecholDeglutition DisordersSphincterotomy, EndoscopicNitric OxideRefractive ErrorsDogsEndosonographyEpisiotomyEructationUrinary Incontinence, StressCatheterizationPia MaterCorneal TopographyIris DiseasesCiliary BodyPelvic FloorEsophageal Motility DisordersEsophageal StenosisLightUrination DisordersNitroarginineUrinary IncontinenceCholecystectomyImplantable NeurostimulatorsVasomotor SystemStomachUrethral DiseasesEsophagitis, Peptic