| 释义 |
lumbar segments of spinal cord L1-5 lumbar segments of spinal cord L1-5 [TA] the five segments of the spinal cord that give rise to the five pairs of lumbar spinal nerves [L1-L5] and constitute the lumbar part of the spinal cord, that in the adult, lies within the portion of the vertebral canal formed by the T11-L1 vertebrae. Synonym(s): segmenta medullae spinalis lumbaria L1-L5 |