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Ontology Browser

Term:
serum immunoglobulin M-type rheumatoid factor level relative to an arbitrary reference serum (CMO:0002111)
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serum immunoglobulin M-type rheumatoid factor level relative to an arbitrary reference serum  
A calculated measurement of the amount in a specified sample of serum of rheumatoid factor that is expressed as an immunoglobulin M (IgM) molecule in which the level of antibody is normalized to an arbitrary reference value or reference standard. Rheumatoid factor (RF) is an autoantibody against the Fc portion of IgG found in rheumatoid arthritis and some other autoimmune diseases. RF and IgG join to form immune complexes that contribute to the disease process.
serum immunoglobulin M-type rheumatoid factor titer 

Synonyms
Related Synonyms: serum IgM-RF level normalized to a reference value ;   serum IgM-rheumatoid factor level normalized to a reference value
Definition Sources: American_Heritage:The_American_Heritage_Medical_Dictionary_2007, http://en.wikipedia.org/wiki/Rheumatoid_factor "Wikipedia" "Wikipedia", PMID:14674011

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