thoracic spine

https://doi.org/10.1351/goldbook.12136
Portion of the vertebral column of the upper back, between the cervical spine and lumbar spine, in humans consisting of 12 vertebrae designated T1 to T12.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 912 [Terms] [Paper]