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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.

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

From Science Daily • Nov. 27, 2023

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

These differences have led scientists to wonder how a fish creates a stable IgM and how it functions.

From Science Daily • Nov. 27, 2023

Similar to IgM, IgA molecules are secreted as polymeric structures linked with a J chain.

From Textbooks • Jun. 9, 2022

Similar to IgM, BCRs of the IgD class are found on the surface of naïve B cells.

From Textbooks • Jun. 9, 2022

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