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Definition of Rheumatoid factor
1. Noun. Autoantibody that is usually present in the serum of people with rheumatoid arthritis.
Generic synonyms: Autoantibody
Medical Definition of Rheumatoid factor
1. Complex of IgG and anti-igG formed in joints in rheumatoid arthritis. Serum rheumatoid factors are more usually formed from IgM antibodies directed against IgG. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Rheumatoid Factor
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