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programmed cell death
(redirected from Cellular aging)

   Also found in: Wikipedia 0.06 sec.
death (deth) the cessation of life; permanent cessation of all vital bodily functions.
activation-induced cell death  (AICD) recognition and deletion of T lymphocytes that have been induced to proliferate by receptor-mediated activation, preventing their overgrowth.
black death  bubonic plague.
brain death  irreversible coma; irreversible brain damage as manifested by absolute unresponsiveness to all stimuli, absence of all spontaneous muscle activity, and an isoelectric electroencephalogram for 30 minutes, all in the absence of hypothermia or intoxication by central nervous system depressants.
cot death , crib death sudden infant death syndrome.
programmed cell death  the theory that particular cells are programmed to die at specific sites and at specific stages of development.
somatic death  cessation of all vital cellular activity.

pro·grammed cell death (prgrmd)
n.
See apoptosis.

programmed cell death
proposed system of cell death, often including poly(ADP)-ribosylation, ensures that a cell will not survive if it is so badly damaged that its recovery would harm the organism. See also apoptosis.


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16 Science, solidify a hypothesis of cellular aging according to which telomerase's absence leads to a gradual destruction of chromosomes that ultimately stops cell division.
What does the finding of cellular aging mean for humans?
Oxidative stress, which many authorities believe is central to the cellular aging process, increases as we age.
 
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