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Accessory Nerve
the 11th cranial nerve, sometimes so named because one of its functions is that of serving as an accessory to the 10th cranial nerve (the vagus nerve). It innervates the sternomastoid and trapezius muscles in the neck.
the 11th cranial nerve, sometimes so named because one of its functions is that of serving as an accessory to the 10th cranial nerve (the vagus nerve). It innervates the sternomastoid and trapezius muscles in the neck.