Body Substance
pus Audio
pus [ puhs ]
Definitions related to pus:
  • A thick, yellow or green liquid that is composed of dead cells and bacteria, most often found at the site of a bacterial infection.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • A yellowish substance produced during bacterial inflammation. It contains necrotic cells and cells fighting the infection.
    NCI
    U.S. National Cancer Institute, 2021
  • Pus, thick, opaque, usually yellowish white fluid matter formed in association with inflammation caused by the invasion of the body by infective microorganisms (such as bacteria). It is composed of degenerating leukocytes (white blood cells), tissue debris, and living or dead microorganisms.
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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