Nutrtion Guide Home > Digestive Disease Dictionary > Hiatal Hernia (Hiatus Hernia)

Hiatal Hernia (Hiatus Hernia) Digestive Disease Related Definition

Definition: (hy-AY-tul HUR-nee-uh) A small opening in the diaphragm that allows the upper part of the stomach to move up into the chest. Causes heartburn from stomach acid flowing back up through the opening. See also Diaphragm.

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