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Arthritis

By , About.com Guide

Updated January 13, 2012

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition: Arthritis is defined as inflammation of the joints, but there are over 100 conditions classified as types of arthritis which involve inflammation of tendons, ligaments, muscles, and joints.
Pronunciation: ar-thrite-tiss
Also Known As: rheumatism, joint disease
Common Misspellings: arthuritis, artritis, arteritis, arthrtis, arthridis, athritis
Examples:
There are over 100 types of arthritis.

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