Diseases

Trismus

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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

12 entry terms
  • Lock Jaw
  • Lockjaw
  • Masseter Muscle Spasm
  • Masseter Spasm
  • Masseter Muscle Spasms
  • Masseter Spasms
  • Muscle Spasm, Masseter
  • Muscle Spasms, Masseter
  • Spasm, Masseter
  • Spasm, Masseter Muscle
  • Spasms, Masseter
  • Spasms, Masseter Muscle

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WC 370

AMA Style

References

  1. National Library of Medicine. Trismus. Medical Subject Headings (MeSH). 2026. Unique ID D014313. http://id.nlm.nih.gov/mesh/2026/D014313
  2. Trismus. In: Wikipedia. https://en.wikipedia.org/wiki/Trismus
  3. Trismus. In: Wikidata. https://www.wikidata.org/wiki/Q936070