| 单词 | pyrogen |
| 释义 | pyrogen[ pahy-ruh-juhn, -jen ] / ˈpaɪ rə dʒən, -ˌdʒɛn / nouna substance, as a thermostable bacterial toxin, that produces a rise in temperature in a human or animal. Origin of pyrogenFirst recorded in 1855–60; pyro- + -gen Words nearby pyrogenpyrocrystalline, pyroelectric, pyroelectricity, pyrogallate, pyrogallol, pyrogen, pyrogenic, pyrogenous, pyroglobulin, pyrognostics, pyrograph Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pyrogen
British Dictionary definitions for pyrogenpyrogen / (ˈpaɪrəʊˌdʒɛn) / nounany of a group of substances that cause a rise in temperature in an animal body Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for pyrogenpyrogen [ pī′rə-jən ] n.A substance that produces a fever. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for pyrogenpyrogen [ pī′rə-jən ] A polypeptide that produces fever by causing metabolic changes in the hypothalamus. Pyrogens are either exogenous (produced by infectious agents) or endogenous (produced by cells in the body such as macrophages). The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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