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Origin. The superior laryngeal nerve arises from the middle of the inferior ganglion of vagus nerve . Course. The superior laryngeal nerve descends by the side of the pharynx deep to the internal carotid artery before dividing into two branches —the external laryngeal nerve and the internal laryngeal nerve. [1] Branches. External laryngeal nerve.
Mar 18, 2024 · Synonyms: Nervus laryngeus cranialis. The superior laryngeal nerve is a branch of the vagus nerve, arising from its inferior ganglion. It also receives some sympathetic branches from the superior cervical ganglion.
- Content Manager
- 18 min
The superior laryngeal nerve is involved in speech and In protecting your airway from food and drink when you swallow. It branches off from the vagus nerve and then divides into two major branches, one sensory (detects sensations) and one motor (involved in movement).
Apr 20, 2024 · Nerves. The vagus nerve is the 10th cranial nerve, supplying the entire larynx with its complex branching pattern. The superior laryngeal nerve's external branch lies immediately deep to the superior thyroid artery and descends toward the larynx.
- Roberto M. Soriano, Ryan Winters, Vikas Gupta
- 2022/09/18
The superior laryngeal nerve is a mixed nerve supplying sensory, motor, and parasympathetic innervation to tissues in the upper laryngeal region. The internal branch of the superior laryngeal nerve penetrates the interior of the larynx. It carries with it sensory, motor and parasympathetic fibers.
The superior laryngeal nerve (SLN) provides motor innervation to the cricothyroid muscle. However, the functions of this muscle and the anatomic variations of the nerve that supplies it are not fully understood. SLN paresis and paralysis (SLNp) is difficult to diagnose because of a lack of consistent laryngeal findings, and its effects on the ...
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The Superior Laryngeal Nerve ( n. laryngeus superior) larger than the pharyngeal branch, arises from the middle of the ganglion nodosum and in its course receives a branch from the superior cervical ganglion of the sympathetic. It descends, by the side of the pharynx, behind the internal carotid artery, and divides into two branches, external ...
