isoantigen

isoantigen
1. An antigenic substance that occurs only in some individuals of a species, such as the blood group antigens of humans. For specific isoantigens of blood group s, see the Blood Groups appendix. 2. Sometimes used as a synonym of alloantigen.

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iso·an·ti·gen -'ant-i-jən n ALLOANTIGEN
iso·an·ti·gen·ic 'ī-(.)sō-.ant-i-'jen-ik adj
iso·an·ti·ge·nic·i·ty -.ant-i-jə-'nis-ət-ē n, pl -ties

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n.
an antigenic substance that occurs only in some individuals of a species. Thus the antigens of the HLA system are isoantigens, as are the agglutinogens of the different blood group.

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iso·an·ti·gen (i″so-anґtĭ-jən) an antigen that induces an immune response when transferred (as by blood transfusion or tissue graft) to a genetically dissimilar individual of the same species.

Medical dictionary. 2011.

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Look at other dictionaries:

  • isoantigen — [ī΄sōan′tə jən] n. an antigen derived from one member of a species that can cause the production of antibodies in some other members of the same species …   English World dictionary

  • Isoantigen — An isoantigen is a type of antigen which is present only in subsets of a species.Two major types of isoantigens are blood group antigens [eMedicineDictionary|Isoantigen] and histocompatibility antigens. ee also* AlloantigenReferencesExternal… …   Wikipedia

  • isoantigen — /uy soh an ti jeuhn, jen /, n. (formerly) an alloantigen. [1935 40; ISO + ANTIGEN] * * * …   Universalium

  • isoantigen — noun an immunologically active material (especially a protein or polysaccharide) that is present only in some individuals of a particular species; responsable for the formation of antibodies Syn: alloantigen …   Wiktionary

  • Isoantigen — I|so|an|ti|gen [↑ iso (3)]: ↑ Antigen …   Universal-Lexikon

  • Isoantigen — I̱so|anti|gen [↑iso... u. ↑Antigen] s; s, e: Stoff, der die Blutgruppenspezifität vermittelt …   Das Wörterbuch medizinischer Fachausdrücke

  • isoantigen — iso·antigen …   English syllables

  • isoantigen — n. an antigenic substance that occurs only in some individuals of a species. Thus the antigens of the HLA system are isoantigens, as are the agglutinogens of the different blood groups …   The new mediacal dictionary

  • isoantigen — i•so•an•ti•gen [[t]ˌaɪ soʊˈæn tɪ dʒən, ˌdʒɛn[/t]] n. imv (formerly) an alloantigen …   From formal English to slang

  • isoantigen — …   Useful english dictionary

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