lockjaw

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lockjaw

 [lok´jaw]

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]

lockjaw

(lŏk′jô′)
n.
1. See tetanus.
2. An early sign of tetanus, in which there is difficulty opening the jaw because of a tonic spasm of the muscles of mastication. Also called trismus.

lockjaw

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

lockjaw

Tetanus, trismus Spasm of the masseter muscles with stiffness of the jaw caused by tetanospasmin, a neurotoxin produced by Clostridium tetani, which causes an unrestrained muscle firing, and sustained muscular contraction which, if severe, causes dysphagia or acute respiratory insufficiency by causing prolonged diaphragm contraction

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]

lockjaw

A lay term for uncontrollable contraction (spasm) of the powerful chewing muscles that occurs in established TETANUS. The spasm clamps the teeth together so that they can barely be separated. The medical term is trismus.

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]
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O'Connor's lock-jawed singing-style is at its best during the numerous medleys of Garland standards, but she never dazzles.
When the lock-jawed employee kinda goggled and froze, they just grabbed a likely-looking blue bag and got outta Dodge.
Few other events could more quickly reduce a cocky, experienced aircrew to sweating, lock-jawed intensity than trying to come to grips with an enemy diesel-electric submarine.
Indeed, at times their counter-counterculture gospel backs into a form of lock-jawed earnestness, indistinguishable in tone from the more lucid rants of the far right.
The only thing that can rouse them from their lock-jawed sangfroid is gospel and blues music.