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Occipital Branch of Posterior Auricular Nerve (Left)
Nervous System

Occipital Branch of Posterior Auricular Nerve (Left)

Ramus occipitalis nervi auricularis posterioris

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Quick Facts

Origin: Posterior auricular nerve.

Course: Runs superiorly and posteriorly along the superior nuchal line to the occipitalis muscle.

Branches: None.

Supply: Motor supply to the occipitalis muscle.

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Origin

The occipital branch of the posterior auricular nerve originates where the posterior auricular nerve bifurcates, in the space just posterior to the external acoustic meatus.

Course

The occipital branch of the posterior auricular nerve runs superiorly and posteriorly along the superior nuchal line to the occipitalis muscle.

Branches

There are no named branches.

Supplied Structures

The occipital branch of the posterior auricular nerve is a motor nerve sending branchial motor efferent fibers to the occipitalis muscle.

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Posterior Auricular Nerve

ScienceDirect image

The posterior auricular nerve arises distal to the origin of the chorda tympani to innervate the skin of the auricle and pinna and provides motor branches to intrinsic auricular muscles and the occipital belly of the occipitofrontalis.

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