C7 vertebra
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C7, also called vertebra prominens, is the seventh cervical vertebra and looks like vertebrae C3-C6, but has some distinct features:
- its spinous process ends in a rounded tubercle and is more prominent posteriorly than the other cervical vertebrae (hence the name vertebra prominens)
- its spinous process is is not bifid like the other cervical vertebrae
- the C7 transverse process foramen are small, and do not transit the vertebral artery
- the C7 foramen may transmit the posterior vertebral vein (if doubled), and may transmit the grey ramus from the inferior cervical ganglion to the anterior ramus of C7
- the C7 anterior tubercle is small, and is the site of attachment for scalenus pleuralis and the suprapleural membrane
- the C8 nerve, which does not have an associated cervical vertebrae, exits in the C7-T1 vertebral foramen below C7
- C7 may possess a cervical rib in an anatomical variant
-</ul><p> </p><ul>-</ul><p> </p><ul><li>the C7 anterior tubercle is small, and is the site of attachment for scalenus pleuralis and the suprapleural membrane</li></ul><p> </p><ul><li>the C8 nerve, which does not have an associated cervical vertebrae, exits in the C7-T1 vertebral foramen below C7</li></ul><p> </p><ul><li>C7 may possess a cervical rib in an anatomical variant</li></ul>- +<li>the C7 anterior tubercle is small, and is the site of attachment for scalenus pleuralis and the suprapleural membrane</li>
- +<li>the C8 nerve, which does not have an associated cervical vertebrae, exits in the C7-T1 vertebral foramen below C7</li>
- +<li>C7 may possess a cervical rib in an anatomical variant</li>
- +</ul>
References changed:
- 1. Buttler P. Applied radiological anatomy. Cambridge University Press. (1999) ISBN:0521481104. <a href="http://books.google.com/books?vid=ISBN0521481104">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/0521481104">Find it at Amazon</a><span class="ref_v3"></span>
- Buttler P. Applied radiological anatomy. Cambridge University Press. (1999) ISBN:0521481104. <a href="http://books.google.com/books?vid=ISBN0521481104">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/0521481104">Find it at Amazon</a><span class="ref_v3"></span>
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- refs
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