A form of cell death characterized by uncontrolled cellular breakdown due to injury, infection, or lack of blood supply. Unlike apoptosis, necrosis involves cell swelling, membrane rupture, and inflammatory responses.
From Greek 'nekros' meaning dead body or corpse, used in medical contexts since ancient times. The scientific distinction between necrosis and apoptosis wasn't established until the 1970s when controlled cell death mechanisms were discovered.
If apoptosis is a controlled demolition, necrosis is like a building exploding from a gas leak! The cell contents spill everywhere, triggering inflammation as the immune system rushes in to clean up the mess - which is why necrotic tissue often becomes inflamed and painful.
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