1 文書を見つけるための辞書。

• medulla spinalis, spinal cord
• 脊髄
• 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
• 感覚および運動神経インパルスを脳とやりとりする、中枢神経系の主要な部分