41. The part of the spinal cord that was damaged corresponds to the spinal nerves at that level and below. 42. The spinal cord can be anatomically divided into 31 spinal segments based on the origins of the spinal nerves . 43. Additionally the society claims that the form stimulates the spinal nerves , providing a balancing effect on the nervous system. 44. "Cold air on the spine can cause radiculitis, " she said, referring to an inflammation of the spinal nerves . 45. He was experimenting with cocaine on the spinal nerves of a dog when he accidentally pierced the dura mater. 46. The sensory ganglia are directly correspondent to dorsal root ganglia of spinal nerves and are known as cranial sensory ganglia. 47. The new work is part of an accelerating series of findings in various laboratories suggesting that spinal nerves can regenerate. 48. Nerves emerging from a plexus contain fibers from various spinal nerves , which are now carried together to some target location. 49. During the 1980s spinal surgeons began to use operating microscopes in order to improve visualization of the spinal nerves during surgery. 50. The pain is also usually referred to dermatomes that are at the same spinal nerve level as the visceral afferent synapse.