pyrogen

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py·ro·gen

 (pī′rə-jən)
n.
A substance that produces fever.
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.

pyrogen

(ˈpaɪrəʊˌdʒɛn)
n
(Elements & Compounds) any of a group of substances that cause a rise in temperature in an animal body
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

py•ro•gen

(ˈpaɪ rə dʒən, -ˌdʒɛn)

n.
a substance, as a bacterial toxin, that produces a rise in body temperature.
[1855–60]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyrogen - any substance characterized by its great flammability
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
2.pyrogen - any substance that can cause a rise in body temperature
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

py·ro·gen

n. pirógeno, sustancia que produce fiebre.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Substances originating outside the body that cause a fever are called "exogenous pyrogens." One class of well-known and well-characterized exogenous pyrogens is the class of endotoxins.
Infectious fever is the defensive and adaptive reaction that occurs when an organism's immune system comes into contact with exogenous pyrogens, or pathogen-associated molecular pattern (PAMP).
Bacterial products, such as LPS (exogenous pyrogens) stimulate leukocytes to release cytokines such as IL-1 and TNF (called endogenous pyrogens) that increase the enzymes (cyclooxygenases) that convert AA into prostaglandins.