title: Motor function and dysfunction of the esophagus and pharynx.
mesh_terms: D004931:Esophageal Achalasia / Q000209:etiology; D004943:Esophagogastric Junction / Q000502:physiology; D004947:Esophagus / Q000187:drug effects / Q000473:pathology / Q000502:physiology* / Q000503:physiopathology; D005764:Gastroesophageal Reflux / Q000209:etiology; D005768:Gastrointestinal Hormones / Q000502:physiology; D006801:Humans; D009068:Movement; D009092:Mucous Membrane / Q000473:pathology; D009132:Muscles / Q000502:physiology; D010614:Pharynx / Q000502:physiology
chemical_list: D005768:Gastrointestinal Hormones