regional part of spinal cord thoracic spinal cord http://upload.wikimedia.org/wikipedia/commons/6/68/Gray820.png NCIT:C12894 BIRNLEX:966 segmenta thoracica medullae spinalis [1-12] thoracic spinal cord thoracic region of spinal cord MA:0003082 thoracic segments of spinal cord [1-12] FMA:71167 uberon UBERON:0003038 thoracic segment of spinal cord UMLS:C0581620 pars thoracica medullae spinalis The thoracic nerves are the spinal nerves emerging from the thoracic vertebrae. [WP,unvetted].