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| Nerve: Greater occipital nerve | |
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| Posterior primary divisions of the upper three cervical nerves. (Great occipital nerve labeled at center top.) | |
| Gray's | subject #209 923 |
| Innervates | semispinalis capitis, scalp |
| From | C2 |
| Dorlands / Elsevier |
n_05/12566321 |
The greater occipital nerve is a spinal nerve arising from the dorsal primary rami of cervical spinal nerve 2, between the first and second cervical vertebrae, along with the lesser occipital nerve.
It innervates the scalp at the top of the head, over the ear and over the parotid glands.
Clinical relevance
Disorder of this nerve is one of the causes of cervicogenic headaches, referred to as occipital neuralgias.
Additional images
 Dermatome distribution of the trigeminal nerve |
 The nerves of the scalp, face, and side of neck. |
External links
- Image at theberries.ns.ca
- Greater+occipital+nerve at eMedicine Dictionary
- http://www.dartmouth.edu/~humananatomy/figures/chapter_47/47-2.HTM
- http://www.dartmouth.edu/~humananatomy/figures/chapter_47/47-6.HTM
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Wikipedia content modification information:
- This page was last modified on 10 February 2008, at 04:41.
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