alloantigen
noun Date: 1964 an antigen present only in some individuals (as of a particular blood group) of a species and capable of inducing the production of an alloantibody by individuals which lack it

New Collegiate Dictionary. 2001.

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  • alloantigen — Individuals of a species differ in alleles (are allogeneic) and the antigenic differences will cause an immune response to allografts. The antigens concerned are often of the histocompatibility complex and are referred to as alloantigens …   Dictionary of molecular biology

  • alloantigen — /al oh an ti jeuhn, jen /, n. Immunol. an antigen present in some but not all individuals of the same species, as those in different human blood groups. [1965 70; ALLO + ANTIGEN] * * * …   Universalium

  • alloantigen — noun Any antigen, present in only some individuals of a species, that stimulates the production of antibodies in those that lack it; an isoantigen …   Wiktionary

  • alloantigen — An antigen that occurs in some, but not in other members of the same species. * * * al·lo·an·ti·gen .al ō ant ə jən n a genetically determined antigen present in some but not all individuals of a species (as those of a particular blood group) and …   Medical dictionary

  • alloantigen — al·lo·antigen …   English syllables

  • alloantigen — al•lo•an•ti•gen [[t]ˌæl oʊˈæn tɪ dʒən, ˌdʒɛn[/t]] n. imu an antigen present in some but not all individuals of the same species, as those in different human blood groups • Etymology: 1965–70 …   From formal English to slang

  • alloantigen — …   Useful english dictionary

  • Alloimmunity — is a condition in which the body gains immunity, from another individual of the same species, against its own cells. Alloimmunity should not be confused with autoimmunity in which the body s immune system attacks its own cells without being… …   Wikipedia

  • alloantibody — An antibody specific for an alloantigen. * * * al·lo·an·ti·body .al ō ant i .bäd ē n, pl bod·ies an antibody produced following introduction of an alloantigen into the system of an individual of a species lacking that particular antigen called… …   Medical dictionary

  • 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. * *… …   Medical dictionary

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