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hypertrophy

biology
Also known as: trophism

Quick Summary

Hypertrophy refers to the enlargement of an organ or body part. In biology, it's the opposite of atrophy, meaning growth rather than shrinkage.1

Muscle Hypertrophy

Muscle hypertrophy is commonly seen in individuals who engage in strength training. This type of growth is often harmless, but extreme muscle hypertrophy can be associated with steroid use, which poses significant health risks. Muscles adapt to the loads they carry, and activities like weightlifting can lead to muscle fibers with a greater capacity for energy production and force generation.12

Cardiac Hypertrophy

Hypertrophy of the heart, while sounding beneficial, is typically a negative sign. The heart's muscle mass can increase in response to long-term stress, such as hypertension. This enlargement provides more muscle to pump blood, helping to meet increased demands. However, specific types of cardiac hypertrophy can alter the heart's pumping efficiency and economy.3

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