Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
n. Abbr. Ig
1. Any of a group of large glycoproteins, including all the antibodies that function in the vertebrate immune system, that have a structure consisting of two heavy chains and two light chains. There are five major classes of immunoglobulin isotypes: IgA, IgD, IgE, IgG, and IgM.
2. A preparation containing immunoglobulin proteins, especially immune globulin.
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.
(Biochemistry) any of five classes of proteins, all of which show antibody activity. The most abundant ones are immunoglobulin G (IgG) and immunoglobulin A (IgA)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
im•mu•no•glob•u•lin(ˌɪm yə noʊˈglɒb yə lɪn, ɪˌmyu-)
1. any of several classes of globulin proteins that function as antibodies.
2. the fraction of the blood serum containing antibodies.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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.
Switch to new thesaurus
|Noun||1.||immunoglobulin - a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response|
gamma globulin, human gamma globulin - a plasma protein containing the immunoglobulins that are responsible for immune responses
antibody - any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
IgA, immunoglobulin A - one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts
IgD, immunoglobulin D - one of the five major classes of immunoglobulins; present in blood serum in small amounts
IgE, immunoglobulin E - one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes
IgG, immunoglobulin G - one of the five major classes of immunoglobulins; the main antibody defense against bacteria
IgM, immunoglobulin M - one of the five major classes of immunoglobulins; involved in fighting blood infections and in triggering production of immunoglobulin G
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
immunoglobulin[ˌɪmjʊnəʊˈglɒbjʊlɪn] N → inmunoglobulina f
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
n → Immunglobulin nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
immunoglobulinn inmunoglobulina (endógena)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.