Meaning of dorsolumbar

dor•so•lum•bar

Pronunciation: (dôr"sō-lum'bur, -bär), [key]
— adj. Anat.
  1. of, pertaining to, or affecting the back in the region of the lumbar vertebrae.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.