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Accurately depicts the spinal accessory nerve  from a lateral (side) view. In this image, the spinal accessory nerve is shown coursing from the base of the skull through the neck passing behind the muscles and fascia of the neck. Labels include the spinal accessory nerve, temporalis muscle, splenius capitus m., levator scapulae m., middle scalene m., trapezius m., masseter m., cervical vertebrae (C2, C3, and C4), trachea, and the sternocleidomastoid muscle.