Abstract
The recurrent laryngeal nerve contains myelinated nerve fibers mostly measuring 6–10 μm in diameter and many unmyelinated nerve fibers as well. The previously reported view that nerve fibers innervating the abductor muscle and those innervating the adductor muscle separately form fiber fascicles is not supported by current evidence. These nerve fibers are known to be present, sporadically, in nerve fascicles. We have revealed for the first time that the canine recurrent laryngeal nerve contains noradrenaline (NA)-ergic and substance P (SP)-ergic nerve fibers. In addition, we have also demonstrated that the inferior laryngeal nerve, which is the terminal branch of the recurrent laryngeal nerve in the dog, has acetylcholine-, NA-, calcitonin gene-related peptide-, SP-, neuropeptide Y-, and nitric oxide-ergic nerve fibers.
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Uno, T., Hisa, Y. (2016). Recurrent Laryngeal Nerve. In: Hisa, Y. (eds) Neuroanatomy and Neurophysiology of the Larynx. Springer, Tokyo. https://doi.org/10.1007/978-4-431-55750-0_5
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DOI: https://doi.org/10.1007/978-4-431-55750-0_5
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