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Spondylitis is an inflammation of the
vertebra The spinal column, a defining synapomorphy shared by nearly all vertebrates,Hagfish are believed to have secondarily lost their spinal column is a moderately flexible series of vertebrae (singular vertebra), each constituting a characteristic ...
e. It is a form of
spondylopathy Spondylopathies are disorders of the vertebrae. When involving inflammation, it can be called spondylitis. In contrast, a spondyloarthropathy is a condition involving the vertebral joints, but many conditions involve both spondylopathy and spondy ...
. In many cases, spondylitis involves one or more
vertebral joint The vertebral column, also known as the backbone or spine, is part of the axial skeleton. The vertebral column is the defining characteristic of a vertebrate in which the notochord (a flexible rod of uniform composition) found in all chordate ...
s, as well, which itself is called
spondylarthritis Spondyloarthropathy or spondyloarthrosis refers to any joint disease of the vertebral column. As such, it is a class or category of diseases rather than a single, specific entity. It differs from spondylopathy, which is a disease of the vertebra ...
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Types

Pott disease Pott disease is tuberculosis of the spine, usually due to haematogenous spread from other sites, often the lungs. The lower thoracic and upper lumbar vertebrae areas of the spine are most often affected. It causes a kind of tuberculous arthrit ...
is a tuberculous disease of the vertebrae marked by stiffness of the vertebral column, pain on motion, tenderness on pressure, prominence of certain vertebral spines, and occasionally abdominal pain, abscess formation, and paralysis.
Ankylosing spondylitis Ankylosing spondylitis (AS) is a type of arthritis characterized by long-term inflammation of the joints of the spine typically where the spine joins the pelvis. Occasionally areas affected may include other joints such as the shoulders or hip ...
(pronounced ank-kih-low-sing spon-dill-eye-tiss),  or AS, is a form of arthritis that primarily affects the spine, although other joints can become involved. It causes inflammation of the spinal joints (vertebrae) that can lead to severe, chronic pain and discomfort. In more advanced cases this inflammation can lead to ankylosis, new bone formation in the spine causing sections of the spine to fuse in a fixed, immobile position. A combination of spondylitis and inflammation of the
intervertebral disc space An intervertebral disc (or intervertebral fibrocartilage) lies between adjacent vertebrae in the vertebral column. Each disc forms a fibrocartilaginous joint (a symphysis), to allow slight movement of the vertebrae, to act as a ligament to hold ...
is termed a
spondylodiscitis Spondylodiscitis is a combination of discitis (inflammation of one or more intervertebral disc spaces) and spondylitis (inflammation of one or more vertebrae), the latter generally involving the areas adjacent to the intervertebral disc space. C ...
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References


National Institutes of Health


External links


National Institutes of Health
{{Dorsopathies Vertebral column disorders Orthopedic problems