WordReference Random House Unabridged Dictionary of American English © 2017
al•lo•an•ti•gen  (al′ō anti jən, -jen′),USA pronunciation n. [Immunol.]
  1. Immunologyan antigen present in some but not all individuals of the same species, as those in different human blood groups.
  • allo- + antigen 1965–70

'alloantigen' also found in these entries:

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