title: Achalasia: the current status of its pathophysiology.
mesh_terms: D000818:Animals; D002648:Child; D004064:Digestive System / Q000503:physiopathology; D004931:Esophageal Achalasia / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000235:genetics / Q000473:pathology / Q000503:physiopathology* / Q000601:surgery / Q000628:therapy; D004947:Esophagus / Q000503:physiopathology; D005260:Female; D005755:Gastrins / Q000494:pharmacology; D006801:Humans; D008297:Male; D009043:Motor Activity; D011312:Pressure; D011859:Radiography; D014630:Vagus Nerve / Q000503:physiopathology
chemical_list: D005755:Gastrins