1. Relating to the thoracic and lumbar portions of the vertebral column. ... 2. Relating to the origins of the sympathetic division of the autonomic nervous system. ... See: autonomic nervous system. ... (05 Mar 2000) ... 
(thor″ә-ko-lum´bәr) pertaining to the thoracic and lumbar vertebrae.
Type: Term Pronunciation: thō′ră-kō-lŭm′bar Definitions: 1. Relating to the thoracic and lumbar portions of the vertebral column. 2. Relating to the origins of the sympathetic division of the autonomic nervous system. See: autonomic (visceral motor) division of nervous system
Pertaining to the upper trunk and back.
thoracolumbar Relating to the thoracic (chest) and lumbar portions of the vertebral column.