A grid of nine equal sections is delineated on the frontal surface of the earlobe by drawing three equidistant horizontal line below the lower border of the cartilege of the notch between the tragus and the antitragus, and two equidistant vertical lines. The sections are numbered from anterior to posterior and from top to bottom. Tongue is located on the second section of the earlobe grid.
Glossitis and stomatitis.
Image of ear pointer: Tongue MA71