antigen(redirected from Ia antigens)
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an·ti·gen(ăn′tĭ-jən) also an·ti·gene (-jēn′)
A molecule that is capable of binding to an antibody or to an antigen receptor on a T cell, especially one that induces an immune response. An antigen is usually a foreign substance, such as a toxin or a component of a virus, bacterium, or parasite.
an′ti·gen′ic (-jĕn′ĭk) adj.
an′ti·ge·nic′i·ty (-jə-nĭs′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
antigen(ˈæntɪdʒən; -ˌdʒɛn) or
(Biochemistry) a substance that stimulates the production of antibodies
[C20: from anti(body) + -gen]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
an•ti•gen(ˈæn tɪ dʒən, -ˌdʒɛn)
1. any substance that can stimulate the production of antibodies and combine specifically with them.
2. any commercial substance that, when injected or absorbed into animal tissues, stimulates the production of antibodies.
3. antigens of a particular type collectively.
an`ti•ge•nic′i•ty (-dʒəˈnɪs ɪ ti) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A substance that stimulates the production of an antibody when introduced into the body. Antigens include toxins, bacteria, viruses, and other foreign substances. See Note at blood type.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A molecule recognized as foreign by the body’s immune system, causing the release of antibodies.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||antigen - any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)|
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
immunizing agent, immunogen - any substance or organism that provokes an immune response (produces immunity) when introduced into the body
immunology - the branch of medical science that studies the body's immune system
agglutinogen - any substance that acts as an antigen to cause agglutinin production
fetoprotein, foetoprotein - any of several antigens that occur naturally in the fetus and sometimes in adults with cancer
anatoxin, toxoid - a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin; "diphtheria toxoid"
antigenic determinant, epitope, determinant - the site on the surface of an antigen molecule to which an antibody attaches itself
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
antigen[ˈæntɪdʒən] N → antígeno m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
n → Antigen nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
antigen[ˈæntɪdʒən] n → antigene m
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
n. antígeno, sustancia tóxica que estimula la formación de anticuerpos;
carcinoembriogenic ___ → ___ carcinoembriogénico.
English-Spanish Medical Dictionary © Farlex 2012
antigenn antígeno; carcinoembryonic — antígeno carcinoembrionario; prostate-specific — (PSA) antígeno prostático específico (APE)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.