Infection, Immunity & Autoimmune Disease

Rheumatoid arthritis

Also called: RA

What does Rheumatoid arthritis mean?

A chronic autoimmune inflammatory disease that primarily attacks joints and can affect other organs.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.