Spinal accessory- 11th cranial nerve : Anatomy, Function, Examination
spinal accessory nerve: The spinal accessory nerve is a cranial nerve that supplies the sternocleidomastoid and trapezius muscles. It is considered the eleventh of twelve pairs of cranial nerves, or simply cranial nerve XI, as part of it was formerly believed to originate in the brain. Anatomy : the spinal accessory nerve consists of both…