MeSH definition : VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the
SACRAL VERTEBRAE.;
MeSH synonym : vertebrae, lumbar;
MeSH annotation : IM when discussed as bones or as a coordinate with specific spinal disease (IM); NIM
when locational; inflammation LUMBAR VERTEBRAE (IM) SPONDYLITIS (IM);
Wikipedia link : https://en.wikipedia.org/wiki/Lumbar vertebrae;