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xenoantigen
xenoantigen n. 
/ˌzɛnoʊˈæn(t)əˌdʒɛn/, /ˌzinoʊˈæn(t)ədʒ(ə)n/, /ˌzinoʊˈæn(t)əˌdʒɛn/ Immunology a xenogeneic antigen.
Brit. /ˌzɛnəʊˈantᵻdʒ(ə)n/
, /ˌzɛnəʊˈantᵻdʒ(ə)n/U.S. /ˌzɛnoʊˈæn(t)ədʒ(ə)n/
, /ˌzɛnoʊˈæn(t)ədʒ(ə)n//ˌzɛnoʊˈæn(t)əˌdʒɛn//ˌzinoʊˈæn(t)ədʒ(ə)n//ˌzinoʊˈæn(t)əˌdʒɛn/ΘΚΠ
the world > life > biology > substance > process stimulators or inhibitors > immunogen or antigen > [noun] > types of
precipitogen1904
precipitinogen1907
coccidioidin1931
self-antigen1959
xenoantigen1975
1975 Nature 24 Apr. 716/2 An important characteristic of the immune system is the ability to discriminate between antigens expressed on normal tissues within the individual and the many foreign antigens expressed on normal tissues of other species (xenoantigens) and even on normal tissues of members of the same species (alloantigens).
1984 Jrnl. Immunol. 132 2522/1 An increase in specific antigenic activity for the Rana-specific xenoantigen.
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