Dr Luis Lombardi-Normal Spine Dr Luis Lombardi Normal Anatomy October 3, 2016October 7, 2016 A disc is the shock absorber of the spine It lies between the two adjacent bones called vertebral bodies The nerves descend behind the vertebrae and discs The back of the disc is in close proximity to the nerves At each level the nerves give rise to 2 smaller nerves (one on each side) called nerve roots for their similarities to the roots of a tree Several nerve roots on each side will converge and form the major nerves that descend to your legs like the sciatic nerve Dr. Luis Lombardi-Normal Spine