Hyperplasia
from class: Pharmacology for Nurses Definition Hyperplasia is the increase in the number of cells within a tissue or organ, causing its enlargement. It can occur as a response to various stimuli and may be associated with weight gain and obesity.
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Predict what's on your test 5 Must Know Facts For Your Next Test Hyperplasia differs from hypertrophy, which is an increase in cell size rather than cell number. In adipose tissue, hyperplasia contributes to the increased fat mass seen in obesity. Certain medications aimed at weight management can influence cellular mechanisms related to hyperplasia. Hyperplasia can be reversible if the underlying stimulus is removed or controlled. It involves both physiological processes (such as growth) and pathological conditions (such as cancer). Review Questions What is the primary difference between hyperplasia and hypertrophy? How does hyperplasia contribute to obesity? Can hyperplasia be reversed? If so, how? "Hyperplasia" also found in:
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