Greater occipital nerve

Greater occipital nerve

Infobox Nerve
Name = PAGENAME
Latin =
GraySubject = 209
GrayPage = 923


Caption = Posterior primary divisions of the upper three cervical nerves. (Great occipital nerve labeled at center top.)


Caption2 =
Innervates = semispinalis capitis, scalp
BranchFrom = C2
BranchTo =
MeshName =
MeshNumber =
DorlandsPre = n_05
DorlandsSuf = 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

External links

* [http://www.theberries.ns.ca/Graphics/Whiplash.jpgImage at theberries.ns.ca]
*
* 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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