Myositis

The literal translation of myositis is "muscle inflammation." This inflammation is caused by white blood cells called lymphocytes, which are normally supposed to protect the body's immune system. In inflammatory myopathies such as myositis, however, lymphocytes infiltrate healthy muscle fibers as well as foreign invaders. After a period of inflammation, muscle fibers are destroyed, which affects the functionality of muscle tissue and leads to fatigue and immobility.


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