SCOTT CAMAZINE, SUE TRAINOR / SCIENCE PHOTO LIBRARY SCOTT CAMAZINE, SUE TRAINOR / SCIENCE PHOTO LIBRARY
Osteoarthritis. Coloured X-ray of the lower (lumbar) spine of a 76-year-old man suffering from osteoarthritis. The front of the spine is at left. Cartilage lines the joints (red) between the vertebrae (green), the bones that form the spine. Osteoarthritis is a disease that causes the wasting of joint cartilage. It is usually associated with old age but may occur in the young as a result of injury or congenital deformity. Symptoms include pain, stiffness and swelling of the affected joints. There is no cure, although the symptoms can be relieved with drugs.
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