What is the meaning of apoptosis in biological terms?

Apoptosis refers to a form of programmed cell death that is essential for maintaining the health and balance of tissues in multicellular organisms. During apoptosis, cells undergo a series of molecular events that lead to their systematic dismantling and removal without causing inflammation or damage to surrounding cells. This process is critical for various physiological processes, including embryonic development, immune system regulation, and the elimination of damaged or dysfunctional cells. The process ensures that cells die in a controlled manner and are cleared away by phagocytes, preventing potential issues such as the development of cancers or autoimmune diseases. Understanding apoptosis is fundamental in studying cell biology, cancer research, and developmental biology.