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IgM

American

Immunology.

immunoglobulin M: a class of short-term circulating and secretory antibodies existing as an aggregate of five antibody molecules, having a high affinity for viruses.

IGM British

abbreviation

International Grandmaster

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of IgM

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In humans, each repeating unit of IgM is a Y-shaped structure with two hands that bind to the antigen and a stalk.

From Science Daily • Nov. 27, 2023

Each repeating unit of fish IgM is similar to human IgM and researchers worked with just the stalk of the fish IgM since the full-length IgM was difficult to work with.

From Science Daily • Nov. 27, 2023

Fish IgM also has just four repeating units instead of five.

From Science Daily • Nov. 27, 2023

IgA and IgD also have three constant domains per heavy chain, whereas IgM and IgE each have four constant domains per heavy chain.

From Textbooks • Jun. 9, 2022

IgM molecules make up approximately ten percent of all antibodies.

From Textbooks • Jun. 9, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023