M component

component /com·po·nent/ (kum-po´nent)

1. a constituent element or part.

2. in neurology, a series of neurons forming a functional system for conducting the afferent and efferent impulses in the somatic and splanchnic mechanisms of the body.

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M component  an abnormal monoclonal immunoglobulin occurring in the serum in plasma cell dyscrasias, formed by proliferating concentrations of immunoglobulin-producing cells.

plasma thromboplastin component  (PTC) coagulation factor IX.

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M component,

an abnormal immunoglobulin that appears in large numbers in patients with macroglobulinemia, heavy chain disease, and multiple myeloma.

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M component

a homogeneous immunoglobulin produced by a single clone of cells in a monoclonal gammopathy. May consist of either whole immunoglobulin molecules or their subunits, e.g. light chains or heavy chains. Called also paraprotein, myeloma protein or M protein.

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M component

Monoclonal immunoglobulin A narrow peak or 'spike' seen on SPEP which is presumptive evidence of a monoclonal proliferation of mature B cells producing IgG, IgA or IgM Where seen Myeloma, Waldenström's macroglobulinemia, heavy chain disease, lichen myxedematosus–a rare disease of proliferating fibroblasts. See Serum protein electrophoresis.