lumbar segments of spinal cord L1–5


1. 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.

segmenta medullae spinalis lumbaria L1–L5

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