What does rheumatoid factor mean?

Definitions for rheumatoid factor
rheuma·toid fac·tor

This dictionary definitions page includes all the possible meanings, example usage and translations of the word rheumatoid factor.

Princeton's WordNet

  1. rheumatoid factornoun

    autoantibody that is usually present in the serum of people with rheumatoid arthritis


  1. rheumatoid factor

    Rheumatoid Factor (RF) is an autoantibody that is produced by the body's immune system. It is often present in people with certain autoimmune diseases, such as rheumatoid arthritis. A high level of rheumatoid factor can be indicative of autoimmune disease, but it is not exclusively tied to any single condition. It is often measured through blood tests to aid in diagnosing such diseases.


  1. Rheumatoid factor

    Rheumatoid factor is the autoantibody that is most relevant in rheumatoid arthritis. It is defined as an antibody against the Fc portion of IgG. RF and IgG join to form immune complexes that contribute to the disease process. Rheumatoid factor can also be a cryoglobulin; it can be either type 2 or type 3 cryoglobulin. Rheumatoid factor can be of any isotype of immunoglobulins, i.e. IgA, IgG, IgM, IgE, IgD.

U.S. National Library of Medicine

  1. Rheumatoid Factor

    Antibodies found in adult RHEUMATOID ARTHRITIS patients that are directed against GAMMA-CHAIN IMMUNOGLOBULINS.

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How to say rheumatoid factor in sign language?


  1. Chaldean Numerology

    The numerical value of rheumatoid factor in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of rheumatoid factor in Pythagorean Numerology is: 6


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"rheumatoid factor." Definitions.net. STANDS4 LLC, 2023. Web. 22 Sep. 2023. <https://www.definitions.net/definition/rheumatoid+factor>.

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