hiatus hernia

noun Pathology.
an abnormal condition in which part of the stomach protrudes upward through the esophageal cleft in the diaphragm, sometimes causing a backflow of acid stomach contents into the esophagus.
Also, hiatal hernia.
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World English Dictionary
hiatus hernia or hiatal hernia
 
n
protrusion of part of the stomach through the diaphragm at the oesophageal opening
 
hiatal hernia or hiatal hernia
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

hiatal hernia n.
A hernia in which part of the stomach protrudes through the esophageal opening of the diaphragm. Also called hiatus hernia.

hiatus hernia n.
See hiatal hernia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Hiatal hernia occurs in the upper part of the stomach.
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