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10 Cards in this Set
- Front
- Back
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atrophy
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a decrease in the size of a tissue organ resulting from a decrease in cell size of the individual cells or in the number of cells. is reversible and adaptive
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denervation atrophy
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a form of atrophy in paralyzed limbs that results from loss of nervous system stimulation
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persistent cell injury
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is most commonly caused by chronic inflammation associated with prolonged viral or bacterial infections
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hypertrophy
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an increase in cell size as well as an increase in the amount of functioning tissue mass
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compensatory hypertrophy
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the enlargement of a remaining organ or tissue after a portion has been surgically removed or rendered inactive
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hyperplasia
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an increase in the number of cells in an organ or tissue. Occurs in tissues with cells that are capable of mitotic division. an important response of connective tissue in wound healing, during which proliferating fibroblasts and blood vessels contribute to wound repair
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metaplasia
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a reversible change in which one adult cell type (epithelial or mesenchymal) is replaced by another adult cell type. Occurs in response to chronic irritation and inflammation and allows for substitution of cells that are better able to survive under circumstances in which a more fragile cell type might succumb.
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dysplasia
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characterized by deranged cell growth of a specific tissue that results in cells that vary in size, shape, and appearance
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intracellular accumulations
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build up of substances that cells cannot immediately use or dispose of
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physical agents responsible for cell and tissue injury:
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mechanical forces, extremes of temperatures, and electrical forces
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