Biologically Active Substance
haptoglobin Audio
hap·to·glo·bin
Subclass of:
Acute-Phase Proteins; Alpha-Globulins; Mucoproteins
Definitions related to haptoglobins:
  • A blood glycoprotein found in the alpha globulin fraction which binds free hemoglobin.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Plasma glycoproteins that form a stable complex with hemoglobin to aid the recycling of heme iron. They are encoded in man by a gene on the short arm of chromosome 16.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Haptoglobin is an acute-phase reactant whose principal clinical utility is in defining conditions of hemolysis. levels can also become elevated in infection and inflammation.
    Medscape
    WebMD, 2025
  • Haptoglobin, a colourless protein of the ?-globulin fraction of human serum (liquid portion of blood plasma after the clotting factor fibrinogen has been removed) that transports hemoglobin freed from destroyed red blood cells to the reticuloendothelial system, where it is broken down. Three...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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