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NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. diseases and disorders (animals and humans)
  3. digestive system diseases
  4. gastrointestinal diseases
  5. esophageal diseases
  6. megaesophagus
  1. Animals, Livestock, One Health
  2. diseases and disorders (animals and humans)
  3. digestive system diseases
  4. gastrointestinal diseases
  5. esophageal diseases
  6. megaesophagus

Preferred term

megaesophagus

Type

  • Topic

Definition

  • Information 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).

    Source: Medical Subject Headings 2012

    Type: Concept definition

Broader concept

Synonyms

  • achalasia
  • cardiospasm
  • esophageal achalasia

In other languages

URI

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

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RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 11/30/12