from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A protein that stores iron in the body, derived chiefly from the hemoglobin released during hemolysis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An abnormal microscopic pigment, formed of granules of a complex of iron hydroxides, protein and polysaccharides, that forms in tissues of patients having an excess of iron

from the GNU version of the Collaborative International Dictionary of English

  • n. a granular yellowish-brown substance composed of protein and ferric oxide, resulting from the breakdown of hemoglobin; it has a higher iron content than ferritin, and its presence in body tissues or phagocytes can be a symptom of disturbed iron metabolism.

from The Century Dictionary and Cyclopedia

  • n. A dark pigment containing iron which has been found in extravasated blood and thrombi. It is undoubtedly derived from the blood-pigment.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism


Sorry, no etymologies found.


  • And six, bruises after plastic surgery such as rhinoplasty (nose job) or blepharoplasty (eyelid surgery) can leave a rust-colored stain under the eyes called hemosiderin.

    Simple Skin Beauty

  • If the problem is prominent veins or hemosiderin near the eyes, a vascular beam laser will get rid of them.

    Simple Skin Beauty

  • On the chest, a bronzing effect can last a few weeks due to hemosiderin pigment from the breakdown of blood vessels.

    Simple Skin Beauty

  • Also, the hemosiderin-laden macrophages point to long standing CHF.

    I still don't know what killed my cat.

  • It is characterized with spindle cells, amianthoid fibers, and proliferation of hemosiderin containing histiocytes in the lymph node.

    BioMed Central - Latest articles

  • Microscopic examination revealed spindle cell proliferation, amianthoid fibers, hemosiderin pigment, and extravasated erythrocytes.

    BioMed Central - Latest articles

  • Past microbleeding -- indicated by small deposits of the iron-storing protein hemosiderin on brain scans -- was 71\% more common with use of platelet aggregation inhibitors than without antithrombotic drugs, Monique Breteler, M.D., - medical news plus CME for physicians

  • Also, since the hemosiderin deposits can remain visible long after bleeding occurs, some of the microbleeds may have actually occurred before use of antithrombotics. - medical news plus CME for physicians

  • Cerebral microbleeds-small deposits of the iron-storing protein hemosiderin in the brain-may be a sign of cerebral small-vessel disease, according to background information in the article. - latest science and technology news stories

  • As the magnetic susceptibility of magnetite is more than two orders of magnitude higher than that of ferrihydrite (the form in which most iron in the body is stored within the ferritin protein) or goethite-like hemosiderin

    PLoS ONE Alerts: New Articles


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