superior laryngeal nerve


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su·pe·ri·or la·ryn·ge·al nerve

[TA]
a branch of the vagus nerve at the inferior ganglion; at the thyroid cartilage it divides into two branches: the internal laryngeal nerve, a sensory branch that supplies the mucous membrane of the larynx superior to the vocal folds, and the external laryngeal nerve, a motor branch that supplies the inferior pharyngeal constrictor and the cricothyroid muscle.
Synonym(s): nervus laryngeus superior [TA]

su·pe·ri·or la·ryn·ge·al nerve

(sŭ-pēr'ē-ŏr lăr-in'jē-ăl nĕrv) [TA]
Branch of vagus nerve at inferior ganglion; at thyroid cartilage, it divides into two branches.
Synonym(s): nervus laryngeus superior.
References in periodicals archive ?
(7) The third pouch sinus then courses superiorly through the thyrohyoid membrane cranial to the superior laryngeal nerve, posterior to the carotid vessels, and deep to the sternocleidomastoid muscle.
Central localization of motor components in the internal branch of the superior laryngeal nerve: a horseradish peroxidase study in the rat.
Cernea et al., "External branch of the superior laryngeal nerve monitoring during thyroid and parathyroid surgery: international Neural Monitoring Study Group standards guideline statement," Laryngoscope, vol.
In our study, two patients had features of injury to the external branch of superior laryngeal nerve. They had a lowered voice tone, vocal fatigue and difficulty in singing note intonation.
Schiel, "Functional anatomy of the recurrent and superior laryngeal nerve," Langenbecks Archives of Surgery, vol.
Patients with postoperative vocal cord paralysis or evidence of external branch of superior laryngeal nerve injury were also excluded from the study.
However, to date we have not been able to visualise the superior laryngeal nerve, an experience also reported by other investigators (2,3).
The use of a nerve stimulator did not aid in anatomical dissection of the RLN and was useful in identifying only superior laryngeal nerve. Discontinuous nerve monitoring by stimulation during total thyroidectomy confers no obvious benefit for the experienced surgeon in nerve identification, functional testing or injury prevention.
Preserving the superior laryngeal nerve in patients undergoing total glossectomy is the most important factor in preventing aspiration.
The superior paraganglia, located in the false vocal cord, are associated with the superior laryngeal nerve and artery.

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