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Healthy Joint vs. Damaged Joint

Illustration copyright 2004 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

In rheumatoid arthritis, the joint lining (synovium) fills with immune cells, blood vessels, and other cells. This material grows until it erodes through the cartilage and surrounding bone as it expands. It also loosens ligaments and tendon attachments.

By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer Stanford M. Shoor, MD - Rheumatology
Last Revised June 11, 2010

WebMD Medical Reference from Healthwise

Last Updated: June 11, 2010
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

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