accessory nerve

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Related to CN XI: CN XII, CN IX, CN V, CN VI

accessory nerve

n.
Either of the 11th pair of cranial nerves, which convey motor impulses to the pharynx and muscles of the upper thorax, back, and shoulders.

accessory nerve

n
(Anatomy) either one of the eleventh pair of cranial nerves, which supply the muscles of the head, shoulders, larynx, and pharynx and the viscera of the abdomen and thorax

acces′sory nerve`


n.
either one of the 11th pair of cranial nerves found only in mammals, composed of motor fibers that function in speech and swallowing.
[1835–45]
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Noun1.accessory nerve - arises from two sets of roots (cranial and spinal) that unite to form the nerveaccessory nerve - arises from two sets of roots (cranial and spinal) that unite to form the nerve
cranial nerve - any of the 12 paired nerves that originate in the brain stem