| ankylosing s. |
a form of degenerative joint disease that affects the spine and may also affect other joints, particularly the hips.. It is a systemic illness of unknown etiology, affecting young persons predominantly, and producing pain and stiffness as a result of inflammation of the sacroiliac, intervertebral, and costovertebral joints; paraspinal calcification, with ossification and ankylosis of the spinal joints, may cause complete rigidity of the spine and thorax. Called also Bekhterev's arthritis or disease, Bekhterev's s.; Marie-Strümpell s. or disease; Strümpell-Marie disease; rheumatoid or rhizomelic s.; s. deformans; and rhizomelic spondylosis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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