Biologically Active Substance
pyrogen Audio
py·ro·gen [ pahy-ruh-juhn, -jen ]
Definitions related to pyrogens:
  • Any substance that can cause a rise in body temperature.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Substance capable of increasing body temperature; may be of microbial origin, often polysaccharides and may contaminate distilled water.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Substances capable of increasing BODY TEMPERATURE and cause FEVER and may be used for FEVER THERAPY. They may be of microbial origin, often POLYSACCHARIDES, and may contaminate distilled water.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.