title: Metabolic disorder.
mesh_terms: D001706:Biopsy; D002648:Child; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009083:Mucopolysaccharidoses / Q000175:diagnosis*; D009084:Mucopolysaccharidosis III / Q000175:diagnosis* / Q000473:pathology; D012867:Skin / Q000648:ultrastructure*