properdin system


An alternative system by which, in the absence of antibodies bound to immunoglobulins and components of complement, the immunological cascade occurs, with the activation of critical components of complement aided by the stabilizing properties of properdin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.