lumbar flexure n.
The normal ventral curve of the vertebral column in the lumbar region.
- Lumbar ganglion
lumbar ganglion n. Any of four or more ganglions on either side of the greater psoas muscle, forming the abdominopelvic portion of the sympathetic trunk with the sacral and coccygeal ganglions.
- Lumbar hernia
lumbar hernia n. A protrusion between the last rib and the iliac crest where the transverse muscle is covered by the latissimus dorsi.
- Lumbar iliocostal muscle
lumbar iliocostal muscle n. A muscle with its origin from the erector muscle of the spine, with insertion to the lower six ribs, with nerve supply from the branches of the thoracic and lumbar nerves, and whose action extends, abducts, and rotates the lumbar vertebrae.
lumbarization lum·bar·i·za·tion (lŭm’bər-ĭ-zā’shən) n. Sacral development of the fifth lumbar vertebra.