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Questions and Answers
What type of cell injury is characterized by intracellular accumulation of water, fat, protein, cholesterol, glycogen, iron, calcium, or pigments?
What type of cell injury is characterized by intracellular accumulation of water, fat, protein, cholesterol, glycogen, iron, calcium, or pigments?
Which mechanism of cell injury is characterized by cell swelling due to a defect in fluid and ion homeostasis?
Which mechanism of cell injury is characterized by cell swelling due to a defect in fluid and ion homeostasis?
What type of cell injury is characterized by severe or prolonged cell injury?
What type of cell injury is characterized by severe or prolonged cell injury?
Which factor can lead to irreversible injury (Necrosis) due to severe or prolonged cell injury?
Which factor can lead to irreversible injury (Necrosis) due to severe or prolonged cell injury?
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What are some causes of reversible injury (Degeneration)?
What are some causes of reversible injury (Degeneration)?
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Study Notes
Types of Cell Injury
- Intracellular Accumulation: Characterized by the accumulation of substances like water, fat, protein, cholesterol, glycogen, iron, calcium, or pigments within the cell.
- Severe or Prolonged Injury: Leads to irreversible cell damage, often resulting in necrosis, where the cell can no longer survive and function.
Mechanisms of Cell Injury
- Defect in Fluid and Ion Homeostasis: Causes cell swelling; this mechanism is crucial as it disrupts normal cellular function and can lead to further injury.
Factors Leading to Irreversible Injury
- Prolonged Severity of Damage: Factors that contribute to irreversible injury include extended exposure to harmful stimuli or stress, ultimately overwhelming the cell's reparative capabilities.
Causes of Reversible Injury
- Degeneration: Reversible cell injury can be caused by factors such as mild hypoxia, chemical exposure, or temporary nutrient deficiency, allowing the cell to recover once the adverse conditions are eliminated.
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Description
Test your knowledge on the morphological types of cell injury and the causes that lead to them. Identify types of cell injury & understand their causes including infection, physical agents, chemical agents, mechanical agents, immunologic reactions, hypoxia, and nutritional imbalances.
