Pharyngeal reflex: Innervation

Anatomy

Stimulus of the posterior tongue, soft palate, or posterior pharyngeal wall → sensory afferent nerve mainly via CN 9 glossopharyngeal nerve, although can have some contribution from CN 10 internal branch of superior laryngeal nerve → brainstem → motor efferent nerve mainly via CN 10 → causes bilateral pharyngeal muscle contraction.

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2013

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