Body Substance
mucus Audio
mu·cus [ myoo-kuhs ]
Subclass of:
Bodily secretions
Definitions related to mucous body substance:
  • (mucus) A thick, slippery fluid produced by the membranes that line certain organs of the body, including the nose, mouth, throat, and vagina.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (mucus) Secretion produced by a mucous gland or goblet cell.
    Digital Anatomist
    University of Washington, 2003
  • (mucus) The thick fluid secreted by the mucus glands in the aerodigestive tract and the vagina.
    NCI
    U.S. National Cancer Institute, 2021
  • (mucus) The viscous secretion of mucous membranes. It contains mucin, white blood cells, water, inorganic salts, and exfoliated cells.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (mucus) Viscous suspension of mucin, water, cells, and inorganic salts.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (portion of mucus) Portion of secreted substance produced by a mucous gland or goblet cell.
    Foundational Model of Anatomy
    University of Washington, 2017
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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.