SENESCENCE

Senescence

Senescence or biological aging is the process of accumulative changes to molecular and cellular structure that disrupts metabolism with the passage of time, resulting in deterioration and death. Senescence occurs both on the level of the whole organism as well as on the level of its individual cells . The science of biological aging is biogerontology. Albeit indirectly, senescence is by far the leading cause of death . Of the roughly 150,000 people who die each day across the globe, about two thirds—100,000 per day—die of age-related causes; in industrialized nations, moreover, the proportion is much higher, reaching 90%. Senescence is not the ...

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senescence

Noun

  1. The state or process of ageing, especially in humans; old age.
  2. Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
  3. Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
  4. Fruit senescence, leading to ripening of fruit.


The above text is a snippet from Wiktionary: senescence
and as such is available under the Creative Commons Attribution/Share-Alike License.

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