Page 5 - 12. Osteoarthritis
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                                                                                                                                           DEFINITION










             • Osteo – bone



             • Arthro - joint



             • Arthritis - inflammation within a joint








             • degeneration of joint cartilage and the underlying bone,


                 most common from middle age onward.


             • It causes pain and stiffness, esp. in the hip, knee, and thumb


                 joints.
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