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VERTEBRAL JOINTS-ARTICULATION B/W NEURAL ARCHES

Anatomy-Spine

VERTEBRAL JOINTS-ARTICULATION B/W NEURAL ARCHES

1. FACET JOINTS - synovial joints between articular facets. Possess a simple capsule which blends laterally with the ligamentum flavum. These joints have a nerve supply from their own segmental level + one level above. Pars defects/fractures of L5/S1 lead to spondylolisthesis.

2. LIGAMENTUM FLAVUM (YELLOW LIGAMENT) - joins contiguous borders of adjacent lamina. Attaches to the front of the lamina above and to the back of the lamina below. Laterally attaches to the facet joint capsule.

3. SUPRASPINOUS LIGAMENT - strong white fibrous band that joins the tips of adjacent spinous processes. In the neck it is replaced by the ligamentum nuchae (nape of neck).

4. INTERSPINOUS LIGAMENT - different from the supraspinous ligament. Weak fibrous tissue uniting adjacent spinous processes. Well developed in the lumbar region. Merges with the supraspinous ligament.

5. INTERTRANSVERSE LIGAMENT - weak sheets of fibrous tissue joining adjacent transverse processes.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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