title: [Connective tissue and aging. (5) Changes of collagen fibers of the dermis with aging].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D003094:Collagen / Q000378:metabolism*; D003238:Connective Tissue / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000648:ultrastructure*
chemical_list: D003094:Collagen