trismus

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trismus

 [triz´mus]
motor disturbance of the trigeminal nerve, especially spasm of the masticatory muscles, with difficulty in opening the mouth (lockjaw); a characteristic early symptom of tetanus.

tris·mus

(triz'mŭs),
Persistent contraction of the masseter muscles due to failure of central inhibition; often the initial manifestation of generalized tetanus.
Synonym(s): Ankylostoma (2) , lock-jaw, lockjaw
[L. fr. G. trismos, a creaking, rasping]

trismus

/tris·mus/ (triz´mus) motor disturbance of the trigeminal nerve, especially spasm of the masticatory muscles, with difficulty in opening the mouth (lockjaw); a characteristic early symptom of tetanus.

trismus

(trĭz′məs)
n.

tris′mic (-mĭk) adj.

trismus

[triz′məs]
Etymology: Gk, trismos, gnashing
a prolonged tonic spasm of the muscles of the jaw. Also called
Usage notes: (informal)
lockjaw. See also tetanus.

lockjaw

(1) Tetanus, see there.
(2) Trismus, see there.

tris·mus

(triz'mŭs)
Persistent contraction of the masseter muscles due to failure of central inhibition; often the initial manifestation of generalized tetanus.
Synonym(s): lockjaw.
[L. fr. G. trismos, a creaking, rasping]

trismus

Lockjaw. Tight closure of the mouth from uncontrollable spasm of the chewing muscles. Causes include TETANUS, disorders of the jaw joint, TONSILLITIS, QUINSY, MUMPS, tooth decay, PARKINSON'S DISEASE or ANOREXIA NERVOSA. Treatment is the correction of the cause.

tris·mus

(triz'mŭs)
Persistent contraction of masseter muscles due to failure of central inhibition; often initial manifestation of generalized tetanus.
Synonym(s): ankylostoma, lockjaw.
[L. fr. G. trismos, a creaking, rasping]

trismus (triz´məs),

n spasms of the muscles of mastication resulting in the inability to open the oral cavity; often symptomatic of pericoronitis.

trismus

motor disturbance of the trigeminal nerve, especially spasm of the masticatory muscles, with difficulty in opening the mouth (lockjaw); a characteristic early sign of tetanus.