Reversible cell injury

Reversible cell injury is a temporary cellular dysfunction that occurs when cells are exposed to stress but can return to normal function if the stress is removed. During reversible injury, cells may show cellular swelling due to impaired function of the sodium-potassium pump, leading to an influx of sodium and water. Other common ultrastructural changes include detachment of ribosomes from the endoplasmic reticulum, leading to decreased protein synthesis, and changes in the cell membrane. If the injurious stimulus persists or is severe enough, the injury can progress to irreversible cell death.