title: Pachyonychia.
mesh_terms: D006025:Glycosaminoglycans / Q000032:analysis; D006651:Histocytochemistry; D006801:Humans; D007365:Intercellular Junctions; D007633:Keratins; D007642:Keratosis / Q000473:pathology; D009262:Nails / Q000473:pathology; D009264:Nails, Malformed / Q000473:pathology*; D012867:Skin / Q000473:pathology
chemical_list: D006025:Glycosaminoglycans; D007633:Keratins