Vertebra

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In anatomy, a vertebra is a bone in the spinal column.[1] The zygapophyseal joint (facet joint) is "the joint that occurs between facets of the interior and superior articular processes of adjacent vertebra."[2]

A typical thoracic vertebra, viewed from above.
Sagittal section of a lumbar vertebra.

Disorders

Various disorders may lead to lumbalgia (low back pain).


References

  1. Anonymous (2015), Vertebra (English). Medical Subject Headings. U.S. National Library of Medicine.
  2. Anonymous (2015), Zygapophyseal Joint (English). Medical Subject Headings. U.S. National Library of Medicine.