16 Questions
What is the term for the disintegration of the cell by its own hydrolytic enzymes liberated from lysosomes?
Autolysis
Which type of necrosis is characterized by the formation of a gel-like substance in dead tissues as a result of protein denaturation?
Coagulative necrosis
What essential changes characterize irreversible cell injury in necrosis?
Protein denaturation and nuclear changes
Which type of necrosis is associated with foci that are pale, firm, and slightly swollen in the early stage?
Coagulative necrosis
What is the term for the end of life (somatic death) following irreversible injury at a cellular level?
Necrosis
Which term refers to the condensation of nuclear chromatin and its dissolution or fragmentation in irreversible cell injury?
Pyknosis and karyolysis
What is the characteristic feature of caseous necrosis?
Structureless, eosinophilic, and granular debris
Which type of necrosis is found in the center of foci of tuberculous infections?
Caseous necrosis
What is the characteristic appearance of fat necrosis?
Yellowish-white and firm deposits
Which type of necrosis results in the formation of a cyst wall later?
Liquefaction necrosis
What is the main cause of fibrinoid necrosis?
Autoimmune diseases
Which type of necrosis results in the deposition of fibrin-like material in the vessel wall?
Fibrinoid necrosis
What occurs due to rupture of the blood vessel in fibrinoid necrosis?
Local hemorrhage
What occurs due to the degradation of tissue by the action of powerful hydrolytic enzymes?
Viscous liquid mass formation
What is the gross appearance of tissue affected by gangrene?
Necrotic with putrefaction
Which type of cells are phagocytosed in colliquative necrosis?
Dead cells
Test your knowledge about irreversible cell injury, cell death, and the different forms it can take, including autolysis, necrosis, apoptosis, gangrene, and pathologic calcification. Explore the concepts related to irreversible cellular damage and its implications.
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