NALT

Preferred term

megaesophagus

Topic

A motility disorder of the esophagus in which the lower esophageal sphincter (near the cardia) fails to relax resulting in functional obstruction of the esophagus, and dysphagia. Achalasia is characterized by a grossly contorted and dilated esophagus (megaesophagus).

esophageal diseases

achalasia
cardiospasm
esophageal achalasia

Field 001 in MARC Authority Format

22794

Spanish

megaesófago

URI

https://lod.nal.usda.gov/nalt/38151

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Created 1/19/06, last modified 11/30/12