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alloantigen

[al-oh-an-ti-juh n, -jen]
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noun Immunology.
  1. 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. 2018
alloantigen in Medicine

alloantigen

(ăl′ō-ăntĭ-jən)
n.
  1. isoantigen