alloantigen

[ al-oh-an-ti-juh n, -jen ]
/ ˌæl oʊˈæn tɪ dʒən, -ˌdʒɛn /

noun Immunology.

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

Origin of alloantigen

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

Medicine definitions for alloantigen

alloantigen

[ ăl′ō-ăntĭ-jən ]

n.

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