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AXIS (C2)

Anatomy-Spine

AXIS (C2)

1. Atypical cervical vertebra formed by a body with attached dens, two lateral masses, a posterior neural arch (formed by the pedicle and a thick lamina), and a large spinous process, which is commonly bifid.

ANTERIOR COMPONENTS
2. Dens: conical in shape.
3. Body - attachment for longus coli.
4. Lateral mass.
5. Transverse process with foramina transversarium.
6. Superior articular facets.
7. Inferior articular facets.

POSTERIOR COMPONENTS
8. Pedicle.
9. Lamina.
10. Spinous process - has several muscle attachments (semispinalis cervicis, rectus capitis posterior major, inferior oblique)


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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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