IgM

IgM
Abbreviation for immunoglobulin M, a major class of immunoglobulins. IgM includes the antibodies that are usually produced first in an immune response and are later replaced by other types of antibodies.
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Abbreviation for immunoglobulin M.
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immunoglobulin M

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IgM .ī-.jē-'em n
1) a class of immunoglobulins of high molecular weight that include the primary antibodies released into the blood early in the immune response to be replaced later by IgGs of lower molecular weight and that are highly efficient in binding complement
2) an immunoglobulin of the class IgM

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immunoglobulin M; see immunoglobulin.

Medical dictionary. 2011.

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