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Hypertrophy

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Increase in the volume of an organ or tissue due to the enlargement of its component cells
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Medical condition
Hypertrophy
Hypertrophy results from an increase in cell size, whereas hyperplasia stems from an increase in cell number.

Hypertrophy is the increase in the volume of an organ or tissue due to the enlargement of its component cells.[1] It is distinguished from hyperplasia, in which the cells remain approximately the same size but increase in number.[2] 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.

Eccentric hypertrophy is a type of hypertrophy where the walls and chamber of a hollow organ undergo growth in which the overall size and volume are enlarged. It is applied especially to the left ventricle of heart.[3] Sarcomeres are added in series, as for example in dilated cardiomyopathy (in contrast to hypertrophic cardiomyopathy, a type of concentric hypertrophy, where sarcomeres are added in parallel).

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-plasia and -trophy
  • Abiotrophy (loss in vitality of organ or tissue)
  • Atrophy (reduced functionality of an organ, with decrease in the number or volume of cells)
  • Hypertrophy (increase in the volume of cells or tissues)
  • Hypotrophy (decrease in the volume of cells or tissues)
  • Dystrophy (any degenerative disorder resulting from improper or faulty nutrition)

See also

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References

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  1. ^ Hernandez R, Kravitz L. "Skeletal muscle hypertrophy". www.unm.edu.
  2. ^ "Hyperplasia: MedlinePlus Medical Encyclopedia". medlineplus.gov. Retrieved 2023年02月19日.
  3. ^ Kusumoto FM (2004). Cardiovascular Pathophysiology. Hayes Barton Press. pp. 20–22. ISBN 978-1-59377-189-8.[permanent dead link ]
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Classification
Principles of pathology
Anatomical pathology
Clinical pathology

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