Example image of eyePlorer eyePlorer map for 'Senescence': Organism Cell (biology) Hayflick limit Leonard Hayflick Apoptosis DNA Programmed cell death Telomere Tracheid Vessel element Xylem Ageing Aging-associated diseases Homeostasis Death Maximum life span Heredity Human Mouse Antioxidant DNA repair Enzyme Radical (chemistry) Gompertz–Makeham law of mortality Mortality rate Cancer Species Negligible Free-radical theory Mitosis Disease Physical trauma Nature versus nurture Stochastic Gene expression Cross-link DNA damage theory of aging Homeodynamics Natural selection Huntington's disease J. B. S. Haldane Genetic drift Peter Medawar Life expectancy Little brown bat Seabird Antagonistic pleiotropy hypothesis George C. Williams Pleiotropy Reproductive value (population genetics)