senescence
nounB2Định nghĩa theo từ loại
Danh từ
noun- 1.
(uncountable, usually)(biology) The state or process of ageing, especially in humans; old age.
Đồng nghĩa: oldhood, senectitude, vetustity, age, chair days, codgerhood, eld, elderliness, fogeydom, geezerdom, golden years, old age, oldhood, senescence, senectitude, superannuation, twilight years, sunset years, vetustity
- 2.
(uncountable, usually)(cytology) 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.
(uncountable, usually)(gerontology) Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
- 4.
(uncountable, usually)(botany) Fruit senescence, leading to ripening of fruit.
- 5.
(uncountable, usually)(cytology, of a cell) Condition when the cell ceases to divide.
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