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noun, Anatomy.
a network of nerves originating in the spinal nerves of the midback region and innervating the pelvic area, the front of the legs, and part of the feet.

lumbar plexus n.


Read Also:

  • Lumbar-puncture

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  • Lumbar quadrate muscle

    lumbar quadrate muscle n. A muscle with origin from the iliac crest, the iliolumbar ligament, and the lower lumbar vertebrae, with insertion into the twelfth rib and the upper lumbar vertebrae, with nerve supply from the upper lumbar nerve, and whose action abducts the trunk. Also called quadrate muscle of loins.

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