<unk>  or Spondyloarthrosis are entities refer to any kind of joint disease of vertebral column (spine), albeit it demonstrate a class or category of diseases more than a single entity. Another entity in disease of vertebra itself is spondylopathy,  which is founded mostly with<unk> . Th term of<unk>  in the broadest sense, includes any type of joint involvement of vertebral column such as rheumatoid arthritis and osteoarthritis, however, the term is often used for a certain group of disease with specific common features, which eventuate to call them as a seronegative<unk> es due to their negative serum rheumatoid factor and ANA, with an increased incidence of HLA-B27.
Spondyloarthropathy
Oligoarthritis
Spondylolysis
Spondylosis
Ankylosing spondylitis
Amyloid arthropathy
Osteoarthritis
Spondylopathies