myositis


myo·si·tis

noun \ˌmī-ə-ˈsī-təs\

Definition of MYOSITIS

:  soreness of voluntary muscle due to inflammation

Origin of MYOSITIS

New Latin, irregular from Greek mys muscle, mouse
First Known Use: circa 1819

myo·si·tis

noun \ˌmī-ə-ˈsīt-əs\   (Medical Dictionary)

Medical Definition of MYOSITIS

: muscular discomfort or pain from infection or an unknown cause

myositis

noun    (Concise Encyclopedia)

Inflammation of muscle tissue, often from bacterial, viral, or parasitic infection but sometimes of unknown origin. Most types destroy muscle and surrounding tissue. Bacteria may directly infect muscle (usually after injury) or produce substances toxic to it. Some chronic diseases (e.g., tuberculosis, third-stage syphilis) can involve the muscles. Parasites (e.g., tapeworms, protozoans) in contaminated food enter the bloodstream from the intestines and lodge in muscle.

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