PharynxPharyngeal NeoplasmsPharyngeal DiseasesPharyngeal MusclesHypopharynxCaenorhabditis elegansDeglutitionLaryngeal NeoplasmsCaenorhabditis elegans ProteinsOropharynxLarynxEsophageal Sphincter, UpperMouth NeoplasmsPalate, SoftPlanariansGenes, HelminthUvulaHyoid BoneEsophagusMouthChordata, NonvertebrateDeglutition DisordersGlossopharyngeal NerveLaryngeal NervesPressureLaryngectomyManometryDigestive System NeoplasmsPharyngitisMolecular Sequence DataAnatomy, Cross-SectionalAzure StainsHead and Neck NeoplasmsGene Expression Regulation, DevelopmentalHeadPneumonia, AspirationZenker DiverticulumRespiratory Tract NeoplasmsDigestive SystemLaryngoscopyRhinoscleromaEndoscopyPenicillin G ProcainePeristalsisUruguayTurbellariaFluoroscopyTransplantsTorsion AbnormalityFiber Optic TechnologyAirway ObstructionAnimals, Genetically ModifiedFeeding BehaviorPhenotypeForeign BodiesNeoplasmsUrochordataEsophagoscopes