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hiatus hernia

or hiatal hernia

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noun Pathology.
  1. 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.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hiatal hernia

hiatus hernia

hiatal hernia

noun
  1. protrusion of part of the stomach through the diaphragm at the oesophageal opening
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hiatal hernia in Medicine

hiatal hernia

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