. . . . "a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain; a long tubelike structure extending from the base of the brain through the vertebral canal to the upper lumbar region"@en-us . . . "0"^^ . "0"^^ . . "104264160"@en-us . . "spinal cord"^^ . "105503705"^^ . . "05503705-n"^^ . "105187928"@en-us . . "spinal cord"@en-us . "medulla spinalis"@en-us . . . . . .