[Idiopathic esophagectasis. 1. Etiological and pathophysiological study].
D000293:Adolescent; D000328:Adult; D000818:Animals; D001341:Autonomic Nervous System / Q000503:physiopathology; D002415:Cats; D002648:Child; D002675:Child, Preschool; D004285:Dogs; D004931:Esophageal Achalasia / Q000209:etiology* / Q000473:pathology / Q000503:physiopathology; D006801:Humans