Hypertrophy

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Hypertrophy
Classification and external resources
Ipertrofia miocardica.jpg
MeSH D006984
Hypertrophy results from an increase in cell size, while hyperplasia is from an increase in cell number.

Hypertrophy (from Greek ὑπέρ "excess" + τροφή "nourishment") is the increase in the volume of an organ or tissue due to the enlargement of its component cells. It should be distinguished from hyperplasia, in which the cells remain approximately the same size but increase in number. Although hypertrophy and hyperplasia are two distinct processes, they frequently occur together, such as in the case of the hormonally-induced proliferation and enlargement of the cells of the uterus during pregnancy.

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