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Reinnervation of the Larynx

The larynx is subject to highly specialized neural control, due to its primary functions involving swallowing protection, cough, and airway maintenance. Phonation also requires specialized and rapid adjustments of motor and sensory systems. Laryngeal paralysis results from injury to the nerve supply of the larynx from peripheral or central nervous system. This can occur unilaterally or bilaterally and can affect both motor and sensory functions. Laryngeal reinnervation refers to the restoration of laryngeal function by the connection of different or alternate peripheral nerves to replace the injured laryngeal nerves. This entry discusses the anatomy of the larynx, history of laryngeal reinnervation, nonselective and selective reinnervation, and future directions.

The major nerve supply to the larynx involves both superior laryngeal nerve (SLN) and recurrent laryngeal nerve (RLN) ...

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