Dictionary

rheumatoid factor

noun

Definition of RHEUMATOID FACTOR

:  an autoantibody of high molecular weight that reacts against IgG immunoglobulins and is often present in rheumatoid arthritis

First Known Use of RHEUMATOID FACTOR

1949

rheumatoid factor

noun    (Medical Dictionary)

Medical Definition of RHEUMATOID FACTOR

:  an autoantibody of high molecular weight that reacts against immunoglobulins of the class IgG and is often present in rheumatoid arthritis

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