THORACIC VERTEBRA-ARTICULAR PROCESSES

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SUMMARY

1. Peculiar, in that they are arranged in the arc of a circle to allow for rotation: which occurs more so in the thoracic spine

2. The superior articular facet projects from the junction of the pedicle & lamina, it carries an oval articular facet that projects backwards & laterally

3. The inferior articular facet projects from the junction of the pedicle & lamina, it carries an oval articular facet that projects forwards & medially

4. The upper & lower cartilage-covered facets form synovial joints, with capsule & synovial membrane attached to articular margins
Bones-and-ligaments-of-the-vertebral-column-illustrations-14287c875e0410c23295ad6ce323663f0e92b5a1.jpg

Image:Case courtesy of OpenStax College, Radiopaedia.org. From the case rID: 42770.


Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone. Get it on Amazon.
Drake, Richard L., et al. Gray's Anatomy for Students. Elsevier, 2023. Get it on Amazon.

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