myositis my·o·si·tis (mī'ə-sī'tĭs)
Inflammation of a muscle, especially a voluntary muscle, characterized by pain, tenderness, and sometimes spasm in the affected area. Also called initis.
A gonorrhœal form of myositis is sometimes met with; it is painful, but rarely goes on to suppuration.
myositis, mī-o-sī′tis, n. inflammation of a muscle—properly My′itis.