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 definition information for cricopharyngeal achalasia is provided by Stedman's. You can search our medical dictionary here.