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great auricular nerve


Definition: arises as a branch of the cervical plexus, conveying fibers from the ventral primary rami of the second and third cervical spinal nerves; supplies the skin of part of the auricle, adjacent portion of the scalp, and that overlying the angle of the jaw; it also innervates the parotid sheath, conveying from it the pain fibers stimulated by stretching of the sheath during parotitis (mumps).

Synonym(s): nervus auricularis magnusTA

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.