title: Ultrastructure of human epidermis following chronic sun exposure.
mesh_terms: D000368:Aged; D002467:Cell Nucleus; D003593:Cytoplasm; D004848:Epithelium / Q000473:pathology; D006801:Humans; D007642:Keratosis / Q000473:pathology; D008297:Male; D008543:Melanins; D008854:Microscopy, Electron; D009410:Nerve Degeneration; D012867:Skin / Q000473:pathology*; D013471:Sunburn / Q000473:pathology*; D014466:Ultraviolet Rays
chemical_list: D008543:Melanins