thoracic aorta http://upload.wikimedia.org/wikipedia/commons/7/75/Gray530.png NCIT:C33766 galen:ThoracicAorta pars thoracica aortae EMAPA:18603 UMLS:C1522460 FMA:3786 OpenCyc:Mx4rveb9TpwpEbGdrcN5Y29ycA GAID:471 MA:0002569 MESH:D001013 UBERON:0001515 The part of the aorta that extends from the origin at the heart to the diaphragm, and from which arises numerous branches that supply oxygenated blood to the chest cage and the organs within the chest. aorta thoracalis uberon EFO:0002525 aorta thoracica BTO:0000157 thoracic part of aorta section of aorta