Spasm
In medicine a spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ such as a heart, or a similarly sudden contraction of an orifice. It most commonly refers to a muscle cramp which is often accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes. There is a variety of other causes of involuntary muscle contractions, which may be more serious, depending on the cause.
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Famous quotes containing the word spasm:
“I felt proud of myself. I had stolen the honey of a spasm without impairing the morals of a minor.”
—Vladimir Nabokov (1899–1977)
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