[ ĭm′yə-nō-trăns-fyōōzhən, ĭ-myōō′- ]


A transfusion of blood from a donor who has been immunized by injections of an antigen prepared from microorganisms isolated from the recipient; the recipient then gains passive immunity from the antibodies formed in the donor.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.