Rheumatoid factor

rheumatoid factor

n. Abbr. RF

Any of the immunoglobulins found in the serum of individuals with rheumatoid arthritis that enhance the agglutination of suspended particles that are coated with pooled human gamma globulin and that are used to diagnose the disease.

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Rheumatoid factor

A series of antibodies that signal the presence of rheumatoid arthritis. May also be present in Sjögren's syndrome and systemic lupus erythematosus, among others.

Mentioned in: Psoriatic Arthritis

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rheumatoid factor (RF),

n antiglobulin antibodies often found in the serum of patients with a clinical diagnosis of rheumatoid arthritis.