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Updated: 12/20/06 12:30 PM
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- Oropharyngeal (transfer) dysphagia can results from failure of any of the normal components of deglutition: retraction of soft palate with nasopharyngeal closure; UES opening; closure of larynx; propulsion by the tongue; pharyngeal clearance.
- The purpose of the esophagus is to maintain an empty lumen despite intrusions from above (swallowing) and below (reflux). Reflux esophagitis is a failure of gastric acid clearance.
- Motor disorders can be thought of as disorders of muscular relaxation and contraction.
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