Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Oropharyngeal isthmus
Introduction
The oropharyngeal isthmus (or isthmus of fauces) is the passage from the mouth to the oropharynx.
The Palatoglossus muscle closes the oropharyngeal isthmus.