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 ?
Other antibodies produced by this approach fight cancer, neutralize the anthrax toxin and slow down lupus, the Swedish academy said.
Harry Smith had worked at both the University of Birmingham and Porton Down and is credited with discovering the anthrax toxin.
The tripartite anthrax toxin consists of PA --protective antigen, EF--edema factor and LF--lethal factor subunits.
That is the immune system, which responds to anthrax toxin proteins with antibodies that neutralise the anthrax protein.
It is a monoclonal antibody that binds to the protective antigen component of anthrax toxin. The effectiveness of ANTHIM is based solely on efficacy studies in animal models of inhalational anthrax.
Three types of proteins are present in anthrax toxin: protective antigen, edema factor, and lethal factor.
Anthrax toxin, from the bacterium Bacillus anthracis, brings to mind envelopes of scary white powder.
Using two types of laboratory mice-those missing the anthrax toxin receptor on a single type of cell or those having the receptor present on a single type of cell-the scientists compared disease progression among the rodents.
This is mainly because of the effect of the remaining anthrax toxin in the body, which cannot be eliminated by antibiotics.
Anthrax toxin lethal factor contains a zinc metalloprotease consensus sequence which is required for lethal toxin activity.
Our case (1) of rapidly progressive, fatal pneumonia caused by a strain of Bacillus cereus containing genes encoding anthrax toxin and other virulence factors has many similarities to those reported in the Sverdlovsk series.
US authorities have been on alert for such letters since 2001, when envelopes laced with the anthrax toxin were sent to media outlets and to US politicians, killing five people.