Definition: 'Cricopharyngeal Achalasia'
cricopharyngeal achalasiaType: Term
1. functional obstruction at the level of the upper esophageal sphincter due to failure of relaxation of the cricopharyngeal muscle; often associated with a pharyngoesophageal diverticulum.
The information shown above for cricopharyngeal achalasia is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.