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B Innervation of the larynx

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 Nervous supply to the muscles of the larynx is provided by the cranial laryngeal and recurrent laryngeal nerves.

 The recurrent laryngeal nerves innervate the cricoarytenoideus dorsalis.The cricoarytenoideus dorsalis abducts the arytenoid cartilages out of the lumen of the larynx to allow the passage of air.


Figure 4.1 Normal equine larynx: arytenoid cartilage (a), vocal fold (b), epiglottis (c).

Source: Dr. Corrie Brown, DVM, PhD, DACVP University of Georgia, College of Veterinary Medicine.

Manual of Equine Anesthesia and Analgesia

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