Definition of thoracolumbar in US English:



  • 1Relating to the thoracic and lumbar regions of the spine.

    • ‘Ovoid vertebral bodies are seen in the thoracic spine with an associated thoracolumbar scoliosis.’
    • ‘Anteriorly, posteriorly, and laterally, it is bounded by the thoracolumbar fascia, and medially, by the spinous processes, interspinous ligaments, and attachments of the thoracolumbar fascia.’
    • ‘Three positions are required to observe the thoracic, thoracolumbar, and lumbar levels of the spine.’
    • ‘The structure of the interspinous ligament suggests that its main function is to attach the thoracolumbar fascia to the posterior spine.’
    • ‘The thoracic and thoracolumbar regions are, respectively, involved in 48 and 30% of patients with idiopathic scoliosis.’
    1. 1.1 Denoting the sympathetic nervous system.
      ‘thoracolumbar sympathetic complex’
      • ‘They are probably sensory fibers of the thoracolumbar system, possibly modulating the pain of esophageal mucosal inflammation.’
      • ‘The thoracolumbar pathway seems to have evolved along with the vascular supply to the gastrointestinal tract, for its tracts of nerve fibers follow the blood supply.’