Definition that contains lumbar
- lumbago backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
- sacrum wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx
- ruptured intervertebral disc a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region
- slipped disc a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region
- lumbar vertebra one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae
- femoral nerve one of a pair of nerves that originate from lumbar nerves and supply the muscles and skin of the anterior part of the thigh
- thoracic vertebra one of 12 vertebrae in the human vertebral column; thoracic vertebrae extend from the seventh cervical vertebra down to the first lumbar vertebra
- plexus lumbalis a plexus of nerves formed by the ventral branches of the first four lumbar nerves
- lumbar artery one of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wall
- lumbar plexus a plexus of nerves formed by the ventral branches of the first four lumbar nerves