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Great auricular nerve

Great auricular nerve
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The nerves of the scalp, face, and side of neck. (Great auricular visible below ear.)
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Plan of the cervical plexus. (Great auricular labeled at top center.)
Details
Latin nervus auricularis magnus
From
Cervical plexus (C2-C3)
Innervates Cutaneous innervation of the inferior part of the auricle and the parotid region of the face.
Identifiers
Gray's p.926
Dorlands
/Elsevier
n_05/12565226
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Anatomical terms of neuroanatomy

The great auricular nerve originates from the cervical plexus, composed of branches of spinal nerves C2 and C3. It provides sensory innervation for the skin over parotid gland and mastoid process, and both surfaces of the outer ear.

Terminology

Although this nerve is frequently referred to as the "greater" auricular nerve, this is not the proper nomenclature since there is no "lesser" auricular nerve. Great refers to the distinction between it and the Auriculotemporal nerve, which is the less influential of the two.

Path

It is the largest of the ascending branches. It arises from the second and third cervical nerves, winds around the posterior border of the Sternocleidomastoideus, and, after perforating the deep fascia, ascends upon that muscle beneath the Platysma to the parotid gland, where it divides into an anterior and a posterior branch.

Branches

Additional images

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links



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