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Medical Definition of Amyloid p component
1. Amyloid p component is a small, non-fibrillar glycoprotein found in normal serum and in all amyloid deposits. It has a pentagonal (pentaxin) structure. It acts as an acute phase protein in the mouse, modulates immunologic responses in man, inhibits elastase, and has been suggested as an indicator of liver disease. (12 Dec 1998)