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11 Cards in this Set
- Front
- Back
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atrophy:
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shrinkage of cells caused by disuse or neurological damage.
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hypertrophy:
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enlargement of cells caused by cardiac conditions or exercise
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hyperplasia:
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increase in RBC count caused by high altitudes and uterine issues
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Why do high altitudes cause an increase in the body's RBC count?
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There is not as much oxygen in the air so more cells are created to carry the oxygen.
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metaplasia:
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changes in cells caused by chronic irritation.
Ex: smoking causes columnar cells to change to squamous (flatter) epitheilium. |
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dysplasia:
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-disorderly growth of cells
-precancerous -a biopsy is usually needed to determine malignancy |
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2 types of cell death:
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1. necrosis (death of cells, tissues, organs)
2. gengrene (necrosis caused by lack of blood supply) |
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3 types of gangrene:
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1. dry (lack of circulation)
2. wet (infectious nature; diabetes) 3. gas (bacterial; war victims) |
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What are the acidic parts of the body?
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skin, urine, vagina, stomach
-used as a body defense |
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5 Types of cell injury:
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1. hypoxic (in the heart and lungs)
2. nutritional 3. infectious (bacteria, virus) 4. chemical 5. physical and mechanical (temp, atmosphere, electrical, radiation) |
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virulence:
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-the more serious an infection
-it usually affects organs |
