polyarthritis

polyarthritis is a topic covered in the Taber's Medical Dictionary.

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(pol-ē-ar-thrīt′ĭs)

[poly- + arthritis]
Inflammation of more than one joint, seen in rheumatoid arthritis, juvenile rheumatoid arthritis, and psoriatic arthritis. It usually involves more than four joints.
polyarthritic (pol″ē-ar-thrit′ik ), adj.

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