Apoptosis: Cellular self-termination (suicide, clinically) in service of the greater body - Between 50 and 70 billion cells die each day due to apoptosis in the average human adult.

Apoptosis - Wikipedia, the free encyclopedia

en.wikipedia.org/wiki/Apoptosis

The process of apoptosis is controlled by a diverse range of cell signals, which may originate either extracellularly (extrinsic inducers) or intracellularly (intrinsic ...