lumbar nerve
noun
: any nerve of the five pairs of spinal nerves of the lumbar region of which one on each side passes out below each lumbar vertebra and the upper four unite by connecting branches into a lumbar plexus
Cite this Entry
“Lumbar nerve.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lumbar%20nerve. Accessed 19 Jul. 2025.
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