Focal epithelial hyperplasia.
D002648:Child; D004848:Epithelium; D006801:Humans; D006965:Hyperplasia / Q000473:pathology; D008048:Lip Neoplasms / Q000473:pathology; D008297:Male; D009059:Mouth Diseases / Q000473:pathology; D009061:Mouth Mucosa / Q000473:pathology*