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Pronunciation: triz'mus

Definition: Persistent contraction of the masseter muscles due to failure of central inhibition; often the initial manifestation of generalized tetanus.

Synonym(s): Ankylostoma2, lock-jaw, lockjaw

[L. fr. G. trismos, a creaking, rasping]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.