anaphylactogen

[ăn′ə-fə-lăktə-jən]
Related formsan′a•phy•lac′to•genic (-jĕnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.