[al-oh-an-ti-juh n, -jen]

noun Immunology.

an antigen present in some but not all individuals of the same species, as those in different human blood groups.

Nearby words

  1. allness,
  2. allo-,
  3. allo.,
  4. alloa,
  5. alloantibody,
  6. allobarbital,
  7. allobaric,
  8. allocable,
  9. allocate,
  10. allocation

Origin of alloantigen

First recorded in 1965–70; allo- + antigen Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for alloantigen





The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.