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18 Μαρ 2024 · 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. Within the carotid sheath at approximately the level of the hyoid bone, the superior laryngeal nerve divides into the internal and external laryngeal nerves.
The superior laryngeal nerve produces two branches: the internal laryngeal nerve (its sensory branch) which supplies sensory fibers to the laryngeal mucosa, and the external laryngeal nerve (its motor branch) which innervates the cricothyroid muscle.
23 Σεπ 2023 · Structure. Branching: The superior laryngeal nerve branches off from the vagus nerve in the neck. It further divides into two main branches: the internal laryngeal nerve and the external laryngeal nerve. Fiber Types: It contains both sensory (afferent) and motor (efferent) fibers.
7 Αυγ 2023 · The primary innervation to the vocal folds comes from branches of the vagus nerve, which are the superior and inferior laryngeal nerves. The superior laryngeal nerve splits into the external laryngeal nerve and the internal laryngeal nerve approximately at the level of the greater horn of the hyoid.
20 Απρ 2024 · The superior laryngeal nerve, external and internal superior laryngeal nerve branches, and recurrent laryngeal nerve (RLN) all contribute distinctly to laryngeal function. Typically superolateral to the larynx, the superior laryngeal nerve branches from the vagus nerve and splits into the external and internal laryngeal branches.
2 Νοε 2022 · 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).
24 Ιουλ 2023 · Superior laryngeal nerve: The superior laryngeal nerve [SLN]branches off the vagus approximately 2.5cm below the base of the skull. The SLN has an internal and external branch. Internal laryngeal nerve: sensory and autonomic innervation to the mucosa superior to the glottis.
