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12 Cards in this Set

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