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    The ansa cervicalis (AC) is part of the cervical plexus and is formed by the ventral rami of spinal nerves C1-C3. It is usually formed by two roots that run parallel to each other and then form a loop anterior to the internal jugular vein. Herein, we report a rare case where the AC was found deep to the internal carotid artery and common carotid artery and had sympathetic contributions. Copyright © 2020 Elsevier Masson SAS. All rights reserved.


    K Ogata, J Iwanaga, T Decater, M Loukas, R S Tubbs. An unusual location of the ansa cervicalis. Morphologie : bulletin de l'Association des anatomistes. 2020 Dec 21

    PMID: 33358105

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