develops from develops from composed primarily of Homo sapiens thoracic vertebra http://upload.wikimedia.org/wikipedia/commons/d/d2/Gray90.png vertebra thoracica vertebra of thorax FMA:9139 NCIT:C12798 A thoracic vertebra endochondral element that is composed primarily of a bone tissue. EMAPA:18011 thorax vertebra MESH:D013904 Thoracic vertebrae in all species are defined as those vertebrae which also carry a pair of ribs, and lie caudal to the cervical vertebrae. In humans, they are distinguished by the presence of facets on the sides of the bodies for articulation with the heads of the ribs, and facets on the transverse processes of all, except the eleventh and twelfth, for articulation with the tubercles of the ribs MA:0000314 UBERON:0002347 SCTID:181821009 UMLS:C0039987 Wikipedia:Thoracic_vertebrae GAID:244 dorsal vertebra vertebra bone tissue thoracic segment bone bone of dorsum thoracic vertebra cartilage element thoracic vertebra endochondral element