Oropharynx, esophagus, shown in isolation, in 4 numbered illustrations. 2 illustrations of oropharynx divided in coronal section with esophagus. Palate, teeth, uvula, and epiglottus shown, anterior view. 1 illustration of oropharynx divided in sagital section, tongue, esophagus, epiglottis shown, medial view. 1 illustration of mucosa of the oropharynx, shown under the microscope.