Palatoglossal arch

Definition

The palatoglossal arch is a muscular fold that extends from the lateral side of the soft palate to the side of the tongue, marking the boundary between the oral cavity and the oropharynx. It plays a role in swallowing by helping to close off the nasal passages during this process.

Related terms

Soft palate: The posterior, flexible part of the roof of the mouth, involved in closing off the nasal passages during swallowing.

Oropharynx: The middle portion of the throat behind the mouth that plays an essential role in swallowing and providing a pathway for air and food.

Swallowing: A complex process involving multiple muscles and structures that move food from the mouth through the pharynx and into the esophagus