/ (ˈprəʊpədɪn) /
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immunol a protein present in blood serum that, acting with complement, is involved in the destruction of alien cells, such as bacteria
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for properdin
[ prō-pûr′dn ]
A natural protein in human blood serum that participates in the body's immune response by working in conjunction with the complement system.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.