rheumatoid factor definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an antibody usually found in the blood serum of people with rheumatoid arthritis
rheumatoid factor definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An immunoglobulin present in the blood serum of many individuals affected by rheumatoid arthritis, used as a means of diagnosing the disease.
rheumatoid factor - Medical Definition
noun 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.