haptoglobin

[hăptə-glō′bĭn]

n.

A plasma protein that is a normal constituent of blood serum and functions in the binding of free hemoglobin in the bloodstream.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.