What is the purpose of the spinal cord? Shawn Hochman. Spinal cord. Shawn Hochman. The spinal cord is part of the central nervous system. B. Serve as a conduit for sensory information, Primer. What is the purpose of the spinal cord? It is a continuation of the medulla and passes out of the cranial vault through the foramen magnum and Function. In adults, the spinal cord terminates in the lumbar region at L1-L2, the conus medullaris.[1] Spinal cord functions include carrying signals between the