title: Trichilemmal horn.
mesh_terms: D000368:Aged; D005260:Female; D006197:Hair / Q000378:metabolism / Q000473:pathology*; D006801:Humans; D007633:Keratins / Q000378:metabolism; D012871:Skin Diseases / Q000378:metabolism / Q000473:pathology*
chemical_list: D007633:Keratins