exotoxin

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Related to Exotoxins: Endotoxins

ex·o·tox·in

 (ĕk′sō-tŏk′sĭn)
n.
A poisonous substance secreted by a microorganism and released into the medium in which it grows.

exotoxin

(ˌɛksəʊˈtɒksɪn)
n
(Microbiology) a toxin produced by a microorganism and secreted into the surrounding medium
ˌexoˈtoxic adj

ex•o•tox•in

(ˌɛk soʊˈtɒk sɪn)

n.
a soluble toxin excreted by a microorganism.
[1915–20]
ex`o•tox′ic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.exotoxin - a toxin that is secreted by microorganisms into the surrounding medium
toxin - a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
endotoxin - a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die
Translations

ex·o·tox·in

n. exotoxina, veneno excretado por una bacteria, organismo vivo, contraria a la endotoxina, no liberada hasta que el organismo bacteria muere.
References in periodicals archive ?
The relationship to nasal colonization is unclear; however, exotoxins produced by SA appear to be involved in the pathogenesis of numerous atopic disorders, including bronchial asthma.
In addition, recent studies have demonstrated that streptococcal M proteins and streptococcal pyrogenic exotoxins act as superantigens, which cause a marked expansion of both CD4+, and CD8+ T cells.
Free your mind: Get rid of all those exotoxins that are generated by daily stress and the anxiety hormones produced by thinking about daily life and read an interesting Islamic book instead.
Critical deprivation resulting in infarction is rare and may be secondary to cumulative ischemia from multiple mechanisms: inflammatory infiltration causing compression of the spermatic cord, thrombosis secondary to venous congestion and/or bacterial exotoxins.
It is not clear if the Fusobacterium species directly causes the sore throat or is a bystander that takes advantage of the favorable anaerobic environment created via endotoxins and exotoxins.
exotoxins, such as pyrogenic (erythrogenic) toxin, which causes the rash of scarlet fever and systemic toxic shock syndrome (See http://textbookofbacteriology.
It causes dramatic infections and intoxications as protein exotoxins either singly or in combination are the major virulence factors that determine the clinical manifestion, morbidity and mortatity [38].
This pathogen also causes streptococcal toxic shock syndrome, a severe response to streptococcal pyrogenic exotoxins (Spe proteins), which trigger overproduction of inflammatory cytokines, leading to tissue damage, organ failure, and shock (3,4).
Once the GAS has penetrated the epithelial barrier, the actions of bacterial exotoxins damage the host cell and provoke immune responses.
Of particular concern are bacteria classified as gram negative rods because of their production of endotoxin, exotoxins, and enzymes.
Its neutralizing action on certain toxins, exotoxins, virus infections, endotoxins and histamine is in direct proportion to the amount of the lethal factor involved and the amount of ascorbate given.