?:definition
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A cell aging process associated with the dismantling of a cell as a response to telomere shortening and/or cellular aging. [GOC:BHF]
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A cell aging process stimulated in response to cellular stress, whereby normal cells lose the ability to divide through irreversible cell cycle arrest. [GOC:BHF]
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An aging process that has as participant a cell after a cell has stopped dividing. Cell aging may occur when a cell has temporarily stopped dividing through cell cycle arrest (GO:0007050) or when a cell has permanently stopped dividing, in which case it is undergoing cellular senescence (GO:0090398). May precede cell death (GO:0008219) and succeed cell maturation (GO:0048469). [GOC:PO_curators]
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