ageing vs senescence

ageing

• UK, Australia, and New Zealand standard spelling of aging. 

• UK, Australia, and New Zealand standard spelling of aging. 

senescence

• The state or process of ageing, especially in humans; old age. 

• Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time. 

• Fruit senescence, leading to ripening of fruit. 

• Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage. 

• Condition when the cell ceases to divide.