homolysin

[ hō-mŏlĭ-sĭn ]

n.

A sensitizing, hemolytic antibody formed as the result of stimulation by an antigen derived from an animal of the same species.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.