im·​mu·​no·​glob·​u·​lin | \ ˌi-myə-nō-ˈglä-byə-lən How to pronounce immunoglobulin (audio) , i-ˌmyü-nō- \

Definition of immunoglobulin

: antibody The glycoproteins produced by B-cells, called antibodies or immunoglobulins, recognize and bind free antigens and are responsible for humoral immunity …— Haruo Saito et al. abbreviation Ig

Examples of immunoglobulin in a Sentence

Recent Examples on the Web Medical studies show that the saliva of compassionate people contains more immunoglobulin A—an antibody that fights off infection. Bryan Robinson, Forbes, 1 Aug. 2022 Your healthcare provider will do blood tests to check your blood immunoglobulin levels. Essence, 25 July 2022 On day 43 after surgery, Bennett was given something called intravenous immunoglobulin (IVIG) in order to treat a potential infection. Simar Bajaj, Smithsonian Magazine, 14 July 2022 But when a tick bite introduces the molecule, the immune system recognizes it as an invader and produces antibodies known as immunoglobulin E (IgE) tailored against it. Sara Goudarzi, Scientific American, 23 May 2022 Certain proteins contain immunoglobulin-like (Ig-like) molecular structures. William A. Haseltine, Forbes, 16 June 2022 High-income countries have access to post-exposure prophylaxis with vaccination or immunoglobulin. Vinay Kampalath, STAT, 8 June 2022 There are specific receptors on your cells called antigen-specific immunoglobulin E (IgE) receptors. Rachel Nall, Msn, SELF, 24 May 2022 Nasal sprays assemble a separate set of antibodies known as immunoglobulin A (IgA). Marla Broadfoot, Scientific American, 3 May 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immunoglobulin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of immunoglobulin

1953, in the meaning defined above

History and Etymology for immunoglobulin

immuno- + globulin

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Time Traveler for immunoglobulin

Time Traveler

The first known use of immunoglobulin was in 1953

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Last Updated

13 Aug 2022

Cite this Entry

“Immunoglobulin.” Dictionary, Merriam-Webster, Accessed 15 Aug. 2022.

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More Definitions for immunoglobulin


im·​mu·​no·​glob·​u·​lin | \ -ˈgläb-yə-lən How to pronounce immunoglobulin (audio) \

Medical Definition of immunoglobulin

: antibody abbreviation Ig

More from Merriam-Webster on immunoglobulin Encyclopedia article about immunoglobulin


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