15+ Superior Laryngeal Nerve Anatomy

15+ Superior Laryngeal Nerve Anatomy. The recurrent laryngeal nerve (rln) is a branch of the vagus nerve (cranial nerve x) that supplies all the intrinsic muscles of the larynx, with the exception of the cricothyroid muscles. Arises from the inferior ganglion of the vagus nerve (cn x) course descends within the carotid sheath posterior and then 2.

External Branch Of Superior Laryngeal Nerve Ebsln Anatomic Classification Springerlink
External Branch Of Superior Laryngeal Nerve Ebsln Anatomic Classification Springerlink from media.springernature.com
The external laryngeal nerve innervates the cricothyroid muscle of the larynx. Both ascend between trachea and oesophagus to laryngeal muscles (not cricothyroid) and sensation of larynx below vocal cords, trachea, oesophagus. 20 describe the anatomy of the superior laryngeal nerve and the defect that occurs with its injury.

As the vagus nerve descends down it gives off a few branches;

The superior laryngeal nerve provides sensation to the laryngeal mucosa above the rima glottis. Arises from the inferior ganglion of the vagus nerve (cn x) course descends within the carotid sheath posterior and then 2. All intrinsic muscles of the larynx are innervated by the rln except the cricothyroid muscle, which is innervated by the external branch of the superior. The superior laryngeal nerve originates just below the inferior ganglion (nodose ganglion) of the vagus lining below the jugular foramen.


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