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5 Cards in this Set

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What are the 4 major types of necrosis?
1.coagulation
2.caseous
3.liquefactive
4.fat
What is necrosis?
Abnormal death of cells or tissues in a viable (living) host.
What are the general etiologies of necrosis?
Poisons
Deprivation
Kinetic energy
Immunologic
What are the micorscopic features of necrotic cells?
mineralization of mitochondria
coagulation of cytoplasm
degeneration of cytoplasm and organelles
What are the gross histologic features of necrosis?
focal or multi-focal lesions
demarcation from normal tissue
loss of tissue uniformity
loss of color (except hemorrhagic)
increased friability of tissue
putrid odor