Cervical spinal nerve 4: Difference between revisions
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{{Infobox anatomy |
{{Infobox anatomy |
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| Name = Cervical spinal nerve |
| Name = Cervical spinal nerve |
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| Latin = |
| Latin = nervi spinalis |
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| Image = Sobo 1909 702.png |
| Image = Sobo 1909 702.png |
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| Caption = The plan of the cervical and brachial plexuses. |
| Caption = The plan of the cervical and brachial plexuses. |
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Latest revision as of 22:08, 15 May 2024
| Cervical spinal nerve | |
|---|---|
 The plan of the cervical and brachial plexuses. | |
 The spinal cord with spinal nerves. | |
| Details | |
| Identifiers | |
| Latin | nervi spinalis |
| FMA | 6445 |
| Anatomical terminology | |
Cervical spinal nerve 4, also called C4, is a spinal nerve of the cervical segment. It originates from the spinal cord above the 4th cervical vertebra (C4). It contributes nerve fibers to the phrenic nerve, the motor nerve to the thoracoabdominal diaphragm. It also provides motor nerves for the longus capitis, longus colli, anterior scalene, middle scalene, and levator scapulae muscles.[citation needed] C4 contributes some sensory fibers to the supraclavicular nerves, responsible for sensation from the skin above the clavicle.[1] C4 and C5 are the areas that see the highest amount of cervical spine trauma.[2]
Gallery
[edit]-
Cervical spinal nerve 4 -
Projectional radiograph of a man presenting with pain by the nape and left shoulder, showing a stenosis in the intervertebral foramen of cervical spinal nerve 4, corresponding with the affected dermatome.
References
[edit]- ^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). pp. 333–335. ISBN 978-0-7295-3752-0.
- ^ 2012 Annual Report Archived 2014-02-22 at the Wayback Machine, Table 64, page 66
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