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The spinal cord is a long, thin, tubular bundle of nerves that is an extension of the central nervous system from the brain and is enclosed in and protected by the bony vertebral column.The main function of the spinal cord is transmission of neural inputs between the periphery and the brain.he spinal cord is the main pathway for information connecting the brain and peripheral nervous system. The length of the spinal cord is much shorter than the length of the bony spinal column.
What is spinal cancer? Primary spinal cancer develops from cells within the spinal cord or from its surrounding structures (the bones, tissues, fluid or nerves of the spine).Part of the central nervous system (CNS), the spinal cord is a column of nerve tissue which extends from the base of the brain down the back.It is surrounded by three protective membranes and is enclosed within the vertebrae. The spinal cord carries important messages between the brain and the rest of the body.ancer can begin in the CNS or, more commonly, it can spread there. Primary spinal cord or column tumors are tumors that form from cells within the spinal cord itself or from its surrounding structures.