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Trismus

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Definition: Spasmodic contraction of the masseter muscle resulting in forceful jaw closure. This may be seen with a variety of diseases, including TETANUS, as a complication of radiation therapy, trauma, or in association with neoplastic conditions.     
See Also Tetanus 		Other names Masseter Muscle Spasm; Lockjaw; Spasms, Masseter Muscle; Spasms, Masseter; Spasm, Masseter Muscle; Spasm, Masseter; Muscle Spasms, Masseter; Muscle Spasm, Masseter; Masseter Spasms; Masseter Muscle Spasms; Masseter Spasm; Lock Jaw
 
SubstanceCAS Registry & nameCategoriesSource
Crisponi syndrome  0   *Fever *Death, Sudden *Hand Deformities, Congenital *Trismus/congenital *Facies Muscle Contraction.
Hecht syndrome  0   *Abnormalities, Multiple *Arthrogryposis *Trismus.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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