Cell biology of aging.
D000375:Aging; D000818:Animals; D001683:Biological Clocks; D002455:Cell Division; D002460:Cell Line; D002467:Cell Nucleus / Q000502:physiology; D002470:Cell Survival; D002478:Cells, Cultured / Q000502:physiology; D003593:Cytoplasm / Q000502:physiology; D006801:Humans; D008099:Liver / Q000166:cytology; D008168:Lung / Q000166:cytology; D012867:Skin / Q000166:cytology