Cross section of the head and neck - image description

The illustration shows a cross section of a person’s head and neck area. The person is facing to the left. The diagram shows the oropharynx. This includes the area inside the mouth including the soft palate at the top (roof) of the mouth and the tongue on the bottom. The base of the tongue is to the right of the diagram. To the right of the base of the tongue is the back wall of the throat (posterior pharyngeal wall).