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esophageal achalasia in Medicine

esophageal achalasia

n.
  1. An esophageal obstruction that develops due to failure of the esophagogastric sphincter to relax, causing the upper esophagus to fill with retained food.cardiospasm
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.