Greater occipital nerve

The greater occipital nerve is a spinal nerve that innervates the skin of the occiput and upper neck.

Gross anatomy

Origin

The greater occipital nerve arises from the medial branch of the dorsal ramus of C2.

Course

The greater occipital nerve emerges between axis (C2) and the obliquus capitis inferior muscle, hooking underneath the later before ascending and piercing trapezius. It continues to ascend to the occiput.

Branches and supply

It may divide into several branches before piercing trapezius. It supplies the skin over the occipital bone and the upper posterior neck.

Relations

The greater occipital nerve runs with the occipital artery in the apex of the posterior triangle.

Head and neck anatomy
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Article Information

rID: 53440
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:

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