[Ultrastructural changes of the vagus nerve in achalasia of the esophagus].
D004931:Esophageal Achalasia / Q000473:pathology*; D006801:Humans; D009412:Nerve Fibers / Q000648:ultrastructure; D014630:Vagus Nerve / Q000648:ultrastructure*
Alteraciones ultraestructurales del nervio vago en la acalasia del esófago.