Haptoglobin definition
A plasma protein that is a normal constituent of blood serum and functions in the binding of free hemoglobin in the bloodstream.
noun
A blood protein that binds with free hemoglobin in the bloodstream or at a wound when red blood cells decompose or are destroyed abnormally in the circulation.
noun
A plasma protein that is a normal constituent of blood serum and functions in the binding of free hemoglobin in the bloodstream.
noun
(biochemistry) A protein in blood plasma that binds free hemoglobin released from erythrocytes and thereby inhibits its oxidative activity.
noun
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Other Word Forms
Noun
Singular:
haptoglobin
Plural:
haptoglobinsOrigin of haptoglobin
- Greek haptein to bind, fasten (hemo)globin
From American Heritage Dictionary of the English Language, 5th Edition