Keratinizing lesions affecting the oral mucosa.
D006801:Humans; D006984:Hypertrophy; D007642:Keratosis; D007971:Leukoplakia; D008010:Lichen Planus; D009059:Mouth Diseases; D009061:Mouth Mucosa / Q000473:pathology*; D009506:Nevus; D012907:Smoking