senescence

名词 n.
中文释义

英文释义

名词 n.
  1. The state or process of ageing, especially in humans; old age. uncountable,usually
    — 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. Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage. uncountable,usually
    — 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. Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time. uncountable,usually
  4. Fruit senescence, leading to ripening of fruit. uncountable,usually
  5. Condition when the cell ceases to divide. uncountable,usually

词形变化

senescences plural

词汇关系

衍生词
antisenescence chondrosenescence hypersenescence immunosenescence neurosenescence
相关词
senescent senesce senility biological immortality quiescence

词源

Etymology tree
English senescent
English -ence
English senescence
From senescent + -ence.
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