Synonym(s)
- acid reflux
- esophageal reflux
- gastroesophageal reflux disease
- GERD
Definition(s)
- Backward flow of the gastric contents into the esophagus resulting from improper functioning of a sphincter at the lower end of the esophagus and resulting especially in heartburn.
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Definition from: Merriam-Webster's Medical Dictionary
by Merriam-Webster Inc.
See also Understanding Medical Terminology.