toxin

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tox·in

 (tŏk′sĭn)
n.
1. A poisonous substance, especially a protein, that is produced by living cells or organisms and is capable of causing disease when introduced into the body tissues but is often also capable of inducing neutralizing antibodies or antitoxins.
2. A poisonous or harmful nonbiological substance, such as a pollutant.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

toxin

(ˈtɒksɪn)
n
1. (Pathology) any of various poisonous substances produced by microorganisms that stimulate the production of neutralizing substances (antitoxins) in the body. See also endotoxin, exotoxin
2. (Biology) any other poisonous substance of plant or animal origin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tox•in

(ˈtɒk sɪn)

n.
any poison produced by an organism, including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., and such plant and animal toxins as ricin and snake venom.
[1885–90; tox (ic) + -in1]
syn: See poison.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

tox·in

(tŏk′sĭn)
A poisonous substance produced by a living organism. Toxins can be products of ordinary metabolism (such as lactic acid), can be produced to kill or immobilize prey (such as the toxins in snake venom), or can be produced for self-defense (such as the cyanide produced by several plants). Toxins produced by bacteria cause disease.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

toxin

Dictionary of Military and Associated Terms. US Department of Defense 2005.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.toxin - a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal speciestoxin - a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
ricin, ricin toxin - a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon; "one milligram of ricin can kill an adult"
poison, poisonous substance, toxicant - any substance that causes injury or illness or death of a living organism
animal toxin, zootoxin - a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals
bacterial toxin - any endotoxin or exotoxin formed in or elaborated by bacterial cells
cytotoxin - any substance that has a toxic effect on cells
endotoxin - a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die
exotoxin - a toxin that is secreted by microorganisms into the surrounding medium
hepatotoxin - any toxin that affects the liver
nephrotoxin - any toxin that affects the kidneys
neurolysin, neurotoxin - any toxin that affects neural tissues
phytotoxin, plant toxin - any substance produced by plants that is similar in its properties to extracellular bacterial toxin
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

toxin

noun poison, venom Tests showed increased levels of toxins in fish.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

toxin

noun
Anything that is injurious, destructive, or fatal:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
méreg
toxin

toxin

[ˈtɒksɪn] Ntoxina f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

toxin

[ˈtɒksɪn] ntoxine f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

toxin

nGiftstoff m, → Toxin nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

toxin

[ˈtɒksɪn] ntossina
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

tox·in

n. toxina, veneno, sustancia nociva de origen animal o vegetal;
bacterial ______ bacteriana.
English-Spanish Medical Dictionary © Farlex 2012

toxin

n toxina
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The manifestation of the disease, spastic paralysis, is caused by the second most poisonous substance known as the tetanus toxin with a human lethal dose of 1 ng/ kg.
Lactococcus lactis: high-level expression of tetanus toxin fragment C and protection against lethal challenge.
It is due to the effect of tetanus toxin on the brain stem and autonomic interneurons.
To pin down more of what was going on, the researchers blocked the neurons from firing by genetically engineering the R2 neurons to make tetanus toxin, which silences the cells.
Recombinant tetanus toxin Hc fragment ([TetH.sub.c], incorporating amino acids 865-1315 from TetX (NP_783831) of Clostridium tetani E88) was recovered from E.
Scientists led by professor Bazbek Davletov have reportedly created and characterised a new molecule by using elements of Clostridium botulinum and Clostridium tetani neurotoxins, or Botox and tetanus toxin respectively, that is able to alleviate hypersensitivity to inflammatory pain.
Tetanus injections are administered in the upper arm in adults (the thigh in babies) and stimulate the body to make antibodies against the tetanus toxin. The full course of tetanus immunisation consists of five or more doses.
Human anti-tetanus immunoglobulins was used to neutralize tetanus toxin as tetanus antitoxin of equine origin, generally recommended for treatment, was not available in the market.
tetani was isolated from this lesion, and the tetanus toxin gene was detected by PCR.