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tetanus

 - 6 dictionary results

tet⋅a⋅nus

[tet-n-uhs]
–noun
1. Pathology. an infectious, often fatal disease caused by a specific bacterium that enters the body through wounds and characterized by respiratory paralysis and tonic spasms and rigidity of the voluntary muscles, esp. those of the neck and lower jaw. Compare lockjaw.
2. Also called tetanus bacillus. Bacteriology. the bacterium, Clostridium tetani, causing this disease.
3. Physiology. a state of sustained contraction of a muscle during which the muscle does not relax to its initial length or tension, induced by a rapid succession of stimuli.

Origin:
1350–1400; < L < Gk tétanos spasm (of muscles), tetanus; r. ME tetane < L, as above


tet⋅a⋅nal, adjective
tet⋅a⋅noid, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tet·a·nus   (tět'n-əs)   
n.  
  1. An acute, often fatal disease characterized by spasmodic contraction of voluntary muscles, especially those of the neck and jaw, and caused by the toxin of the bacillus Clostridium tetani, which typically infects the body through a deep wound. Also called lockjaw.

  2. Physiology A state of continuous muscular contraction, especially when induced artificially by rapidly repeated stimuli.


[Middle English, from Latin, from Greek tetanos, rigid, tetanus; see ten- in Indo-European roots.]
tet'a·nal (tět'n-əl) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

tetanus [(tet-n-uhs, tet-nuhs)]

An acute and infectious disease caused by the toxin produced by a kind of bacteria that enters the body through cuts or wounds; also called lockjaw. In tetanus, the muscles of the body, particularly the muscles of the jaw, contract in painful spasms. Tetanus is deadly but can be prevented through immunization (tetanus shots).

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

tetanus 
1398, from L. tetanus, from Gk. tetanos "muscular spasm," lit. "a stretching, tension," from teinein "to stretch" (see tenet); so called because the disease is characterized by violent spasms and stiffness of muscles.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: tet·a·nus
Pronunciation: 'tet-&n-&s, 'tet-n&s
Function: noun
1 a : an acute infectious diseasecharacterized by tonic spasm of voluntary muscles and especially of the muscles of the jaw and caused by the specific toxin produced by a bacterium of the genus Clostridium (C. tetani)which is usually introduced through a wound —compare LOCKJAW b : TETANUS BACILLUS
2 : prolonged contraction of a muscle resulting from a series of motor impulsesfollowing one another too rapidly to permit intervening relaxation of the muscle
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

tetanus tet·a·nus (tět'n-əs)
n.

  1. An acute, often fatal disease that is characterized by spasmodic contraction of voluntary muscles, especially one occurring in the neck and jaw, and that is caused by the neurotoxin Clostridium tetani, which typically infects the body through a deep wound. Also called lockjaw.

  2. A state of continuous muscular contraction, especially when induced artificially by rapidly repeated stimuli.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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