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12 Cards in this Set
- Front
- Back
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Hypertrophy
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Increase in size of cells resulting in an increase in size of organ
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Hyperplasia
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Increase in number of cells
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Metaplasia
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One adult cell type is replaced by another type
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Dysplasia
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Alteration in the size, shape or organization of a tissue; sometimes precursor to neoplasia
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Atrophy
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Shrinkage in the size or a cell by loss of cell substance
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Reasons for atrophy (4)
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Disuse
Reduced blood supply Denervation Inadequate nutrition |
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Hypoxia
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Oxygen available to cells is insufficient to maintain metabolism to carry out normal activities
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Fatty change
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Abnormal intracellular accumulation of triglycerides within parenchymal cells (esp liver and heart)
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Ischaemia
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Oxygen perfusion is lowered relative to tissue/cell metabolic needs
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Infarct
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Localised tissue necrosis resulting from ischaemia
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Types of necrosis (4)
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Coagulative
Caseous Liquefactive Fat |
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What are the 3 types of cells?
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Labile (continuously dividing; epithelia)
Stable (quiescent; liver) Permanent (cannot undergo mitosis; neurons and cardiac muscle) |
