hemosiderin definition

  • noun:
    • A protein that shops iron in the torso, derived chiefly from hemoglobin released during hemolysis.
    • An abnormal microscopic pigment, formed of granules of a complex of metal hydroxides, protein and polysaccharides, that types in cells of patients having an excessive amount of iron
    • a granular yellowish-brown material made up of protein and ferric oxide, resulting from the breakdown of hemoglobin; it offers an increased metal content than ferritin, and its own presence in body areas or phagocytes could be an indicator of disturbed iron metabolism.
    • A dark pigment containing iron which was found in extravasated bloodstream and thrombi. It is undoubtedly produced by the blood-pigment.
    • a granular brown material composed of ferric oxide; left through the breakdown of hemoglobin; is an indication of disturbed metal metabolism

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