请输入您要查询的单词:

 

单词 senescence
释义

senescence

See also: sénescence

English

WOTD – 7 February 2012

Etymology

From Latin senēscere (to grow old).

Pronunciation

  • IPA(key): /sɨnˈɛsəns/

Noun

senescence (usually uncountable, plural senescences)

  1. (biology) The state or process of ageing, especially in humans; old age.
    • 1997, David Foster Wallace, “A Supposedly Fun Thing I'll Never Do Again”, in A Supposedly Fun Thing I'll Never Do Again, Kindle edition, Little, Brown Book Group:
      Organized shuffleboard has always filled me with dread. Everything about it suggests infirm senescence and death: it’s like it’s a game played on the skin of a void and the rasp of the sliding puck is the sound of that skin getting abraded away bit by bit.
  2. (cell biology) Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
    • 2018, University of Edinburgh, "Liver Study Offers Insights into Hard-to-treat Diseases" (9 March 2018), Drug Discovery & Development.
      Tests in mice found that inducing senescence in bile duct cells - mimicking the process seen in human bile duct disease - led to liver scarring and damage of liver function.
  3. (gerontology) Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
  4. (botany) Fruit senescence, leading to ripening of fruit.
  5. (cytology, of a cell) Condition when the cell ceases to divide.
  • senescent
  • senesce

Translations

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

See also

  • biological immortality
  • senility

Further reading

  • senescence on Wikipedia.Wikipedia
  • cellular senescence on Wikipedia.Wikipedia
随便看

 

国际大辞典收录了7408809条英语、德语、日语等多语种在线翻译词条,基本涵盖了全部常用单词及词组的翻译及用法,是外语学习的有利工具。

 

Copyright © 2004-2023 idict.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/8/7 4:28:17