Définitions
1.NounThe state or process of ageing, especially in humans; old age.
2.NounCeasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
3.NounOld age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
4.NounFruit senescence, leading to ripening of fruit.
5.NounCondition when the cell ceases to divide.