PharynxPharyngeal NeoplasmsPharyngeal DiseasesPharyngeal MusclesHypopharynxCaenorhabditis elegansDeglutitionLaryngeal NeoplasmsCaenorhabditis elegans ProteinsOropharynxEsophageal Sphincter, UpperLarynxMouth NeoplasmsPalate, SoftPlanariansGenes, HelminthUvulaHyoid BoneEsophagusChordata, NonvertebrateDeglutition DisordersGlossopharyngeal NerveMouthLaryngeal NervesLaryngectomyPressureDigestive System NeoplasmsManometryPharyngitisHead and Neck NeoplasmsAzure StainsPneumonia, AspirationAnatomy, Cross-SectionalZenker DiverticulumHeadRespiratory Tract NeoplasmsGene Expression Regulation, DevelopmentalLaryngoscopyRhinoscleromaEndoscopyPenicillin G ProcaineDigestive SystemPeristalsisUruguayTurbellariaTransplantsFluoroscopyTorsion AbnormalityFiber Optic TechnologyForeign BodiesAirway ObstructionEsophagoscopes