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Terms for Common Cellular Adaptations
Ch. 1 sec. 2 Into into Cellular Changes
6
Physiology
Undergraduate 1
10/28/2011

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Term
Hypertrophy
Definition

An increase in the size of individual cells

resulting in an enlarged tissue mass

 

(When muscles get bigger from exercise)

Term
Hyperplasia
Definition

an increased number of cells resulting in an enlarged tissue mass

 

may be a compensatory mechanism to meet increased demands

Term
Metaplasia
Definition
One mature cell type is replaced by a different mature cell type. 
Term
Dysplasia
Definition
Tissue in wich the cells vary in the size and shape, large nuclei and frequently present, and the rate of mitosis is increased.
Term
anaplasia
Definition
undifferentiated and have veriable nuclei and cell structure and numerous mitotic figures
Term
neoplasm
Definition
commonly called a tumor and means "New growth"
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