Preferred Term:
megaesophagus
Definition:
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).
Concept Schemes:
NALT Full
Broader Concept:
Entry Terms:
- cardiospasm
- esophageal achalasia
- achalasia
URI:
https://lod.nal.usda.gov/nalt/38151
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2012-11-30
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