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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus III: Nervous System: Cranial Nerves and Ganglia: Internal Laryngeal Branch of Superior Laryngeal Nerve

Illustrated Encyclopedia of Human Anatomic Variation: Opus III: Nervous System: Cranial Nerves and Ganglia

Internal Laryngeal Branch of Superior Laryngeal Nerve

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed

Instead of piercing the thyrohyoid membrane to reach the larynx, this nerve may pass through a small foramen in the thyroid cartilage.

The arytenoid muscle receives its primary innervation from the internal laryngeal nerve and occasionally receives an additional supply from the recurrent laryngeal nerve.


Berlin, D.D. and F.H. Laney. (1929) Dissections of the Recurrent and Superior Laryngeal Nerves. Surgery, Gynecology Obstetrics 49:102-104

Demmel, U. (1978) übereinen Nerven im Foramen Thyroideum. Anat. Anz. 143:456-465.

Dilworth, T.F.M. (1921) The Nerves of the Human Larynx. J. Anat. 56:48-52.

Henle, J. (1868) Handbuch der Systematischen Anatomie des Menschen. von Friedrich Vieweg und Sohn. Braunschweig 56:48-52.

Lemere, F. (1932) Innervation of the larynx: Innervation of laryngeal muscles. Am. J. Anat. 51:417-432.

Ramaswamy, S. (1963) A ganglion on the internal laryngeal nerve. A preliminary report. J. Anat. Soc. India 12:1-7.

Stedman, G.W. (1823) A singular distrubition of some of the nerves and arteries in the neck, and the top of the thorax. Edinburgh Medical and Surgical Journal 19:564-565.

Vogel, P.H. (1952) The innervation of the larynx of man and the dog. Am. J. Anat. 90:427-440.

Williams, A.F. (1951) The nerve supply of the laryngeal muscles. J. Laryngol. 65:343-348.

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