Cellular HealthApoptosis/ ap-op-TOH-sis /Programmed cell death: an orderly process the body uses to clear away damaged or unneeded cells. Related Terms AMPKCELLULAR HEALTH AutophagyCELLULAR HEALTH IGF-1 (Insulin-like Growth Factor 1)CELLULAR HEALTH Mitochondrial BiogenesisCELLULAR HEALTH