title: Straight-hair nevus in a patient with straight hair.
mesh_terms: D002648:Child; D006197:Hair / Q000002:abnormalities*; D006801:Humans; D008297:Male; D009506:Nevus / Q000473:pathology*; D012535:Scalp / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*