lumbar part of spinal cord(redirected from pars lumbalis medullae spinalis)
lum·bar part of spi·nal cord[TA]
portion of spinal cord that consists of the five lumbar segments (L1-L5) and from which five pairs of lumbar spinal nerves originate; in the adult it is located in the T10-L1 portion of the vertebral canal, and is enlarged relative to other parts of the cord because of its involvement in innervation of the lower extremity.
Synonym(s): lumbar segments L1-L5 of spinal cord [TA], pars lumbalis medullae spinalis [TA], segmenta lumbalia L1-L5 [TA], segmenta lumbalia medullae spinalis
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