heteroagglutinin

[ hĕt′ə-rō-ə-glōōtn-ĭn ]

n.

A hemagglutinin that agglutinates red blood cells in one or more species other than the species from which it was derived.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.