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Cellular Adaptation

Cellular Adaptation, Injury and Death Key Terms

TermDefinition
aerobic metabolism ATP metabolism using oxygen.
anaerobic metabolism ATP metabolism that doesn't require oxygen
apoptosis Programmed cell death
atrophy without nutrients and smaller, caused by: disuse, denervation, inadequate nutrition, loss of endocrine stimulation, or ischemia.
dysplasia Abnormal change in cellular size, shape, and function. Can develop into cancer.
edema Swelling caused by too much fluid trapped in tissues,
gangrene Not just one cell but a bunch of tissue cells are lost due to necrosis.
hyperplasia Growing more cells, physiological (hormonal or compensatory) is good and pathologic is bad.
hypertrophy increase nutrients and size, caused by: physiologic, pathologic, or compensatory reasons. Pathologic is bad.
hypoxia Not enough oxygen that can be used by the cell to make ATP. Most common cause of cell injury.
ischemia Inadequate blood supply to an organ.
metaplasia replace one cell type for another that is reversible.
necrosis irreversible cell injury and cellular death
Compensatory increase in size of organ or tissue due to more work being required of it.
Created by: loavpoav
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