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    Healthy Joint Vs. Damaged Joint

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    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.

    ByHealthwise Staff
    Primary Medical ReviewerAnne C. Poinier, MD - Internal Medicine
    Specialist Medical ReviewerNancy Ann Shadick, MD, MPH - Internal Medicine, Rheumatology

    Current as ofSeptember 9, 2014

    WebMD Medical Reference from Healthwise

    Last Updated: September 09, 2014
    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.

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