Stomach Acid Reflux Underlying Cause
The lower esophageal sphincter is a ring of muscle that surrounds the esophagus, where it empties into the stomach. Normally, the lower esophageal sphincter closes after food passes into the stomach. If the lower esophageal sphincter relaxes, or remains open, stomach acid splashes into the esophagus. The stomach acid irritates the esophagus, resulting in reflux esophagitis.
Causes of a poorly functioning lower esophageal sphincter include:
Continue to Stomach Acid Reflux Anatomy
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