Anterior surface of the tongue featuring lingual tonsil.

Girl being administered oral examination by doctor.

Sagittal view of the pharynx area showing a tracheostomy tube in place in the trachea.

View of young child with protruding white encrusted tongue typical of thrush.

Health care professional uses tongue depressor and small light to perform an oral examination on young adult.

Line drawing of anterior view of the digestive system from lips to anus. Head is sagittally sectioned and turned laterally.

Simple sagittal view of infant head and neck showing anatomy of the airway.

Open mouth with tongue extended indicating areas that distinguish taste (above). Four outlines of tongue with the areas for bitter, sour, sweet, and salty indicated (below).

Female patient opens mouth as gloved hand places thermometer under tongue to assess temperature.

Anterior view of young child showing gastrointestinal tract.

Sagittal view of adolescent's head and neck showing direct laryngoscopy using a curved blade; correct size of blade allows for correct positioning of blade in vallecula.

Three sagittal views of adolescent's head and neck showing direct laryngoscopy using a curved blade; (left) correct positioning of blade in vallecula; (upper right) blade too short, resulting in impingement on midportion of tongue; (lower right) blad

Tongue