Definition of haptoglobin in English:


Syllabification: hap·to·glo·bin
Pronunciation: /ˌhaptəˈglōbən


  • A protein present in blood serum that binds to and removes free hemoglobin from the bloodstream.
    More example sentences
    • The research team, led by Dr. Andrew Levy of the Faculty of Medicine, had earlier demonstrated that diabetics with a particular form of a blood protein called haptoglobin had as much as a 500% increased risk of developing heart disease.
    • Macrophages, scavenger-like cells that roam the body, have a surface receptor called CD 163 which binds the protein haptoglobin.
    • Deer in fact may be a little unusual in this respect in that they have unusually, low levels of another protein haptoglobin, which is involved in the clearance of haemoglobin.


1940s: from Greek haptein 'fasten' + (hemo)globin.

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