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Cell injury death & adaptation
The document summarizes various mechanisms of cell injury and adaptation. It discusses how cells respond to physiological stresses through reversible changes like hypertrophy, hyperplasia, atrophy, and metaplasia to maintain homeostasis. Irreversible injury can result from oxidative stress, calcium influx, ATP depletion, and mitochondrial or membrane damage, leading to necrosis or apoptosis. Reversible injury involves structural and functional changes while irreversible injury culminates in cell death.
