lockjaw


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lockjaw

 [lok´jaw]
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

lockjaw

(1) Tetanus, see there.
(2) Trismus, see there.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

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]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
It affects small muscles first, making them spasm and causing lockjaw. After a while it spreads to larger muscles, causing whole body to spasm.
They trudge past with identical Buffalo lockjaw faces."
Lockjaw is an inch away on Tyler P's tetanus-fraught pivot fakie.
Other stolen equipment includes an aluminium scaffolding tower, a boiler, tools such as hedge trimmers, a jack hammer from a JCB, lockjaw pliers, mole grips, life buoys and a picnic table.
When we were all finished and things were being put into bags and boxes and some being worn out the store, the saleswoman turned to me, off to the side, and through her tightest Texas lockjaw smile said, "Honey, that'll be $16.95." I paid it, gladly.
Tetanus, also called lockjaw, is caused by a bacterium that is common in the soil.
Contracted through injuries such as lacerations, punctures, and splinters, tetanus is characterized by muscular rigidity rapidly spreading throughout the body, producing pain and stiffness, especially in the neck and jaw--hence the alternative name lockjaw. The impact on the facial muscles produces a particular characteristic feature called risus sardonicus, or "sardonic grin," in which the angles of the mouth are drawn down, exposing taught clenched teeth.
Readers learn that Louisa May Alcott had a crush on both Henry David Thoreau and Ralph Waldo Emerson when she was young, that Thoreau was devastated when his brother John died of lockjaw, that Hawthorne spent the good part of 12 years in his sister's attic, and that utopian societies of the era had casual sexual mores.
I first discovered Lockjaw's self-adjusting and locking pliers at the welding supply shop in Claremont, New Hampshire, while retrieving a couple of oxygen bottles for Kate, my glass-working wife.
The jury returned verdict that he died from lockjaw, following the kick.
They've coined mad cow disease, hairy-shaker disease, lockjaw, and the painful-sounding (at least to males) pizzle rot disease.
The conventional position makes me claustrophobic and the others give me a stiff neck or lockjaw.