Biologically Active Substance
proteoglycan Audio
pro·te·o·gly·can [ proh-tee-oh-glahy-kan ]
Subclass of:
Polysaccharides; Glycoproteins
Definitions related to proteoglycan:
  • A molecule that contains both protein and glycosaminoglycans, which are a type of polysaccharide. Proteoglycans are found in cartilage and other connective tissues.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A protein that has one or more glycosaminoglycans covalently attached.
    NCI
    U.S. National Cancer Institute, 2021
  • Family of glycoproteins with repeating disaccharide subunits, including the mucopolysaccharide glycoproteins (mucoproteins), and found in extracellular matrix.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Glycoproteins which have a very high polysaccharide content of which one or more are GLYCOSAMINOGLYCANS.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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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.