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nucleus ambiguus


Definition: a very slender, longitudinal column of motor neurons in the ventrolateral medulla oblongata; its efferent fibers leave with the vagus and glossopharyngeal nerve and innervate the striated muscle fibers of the pharynx (including the musculus levator veli palatini) and the vocal cord muscles of the larynx.

Synonym(s): ambiguus nucleus

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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