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KembaraXtra - Medical Terms - accessory nerve (spinal accessory nerve)
The accessory nerve is the eleventh cranial nerve (XI). Its cranial root contributes to nerves supplying the laryngeal muscles, while its spinal root supplies the sternomastoid and trapezius muscles, enabling movements of the head and shoulders.
The accessory nerve is the eleventh cranial nerve (XI). Its cranial root contributes to nerves supplying the laryngeal muscles, while its spinal root supplies the sternomastoid and trapezius muscles, enabling movements of the head and shoulders.
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