Spinal column, lateral and posterior views.
Thoracic vertebrae, Gray's Anatomy (1918).
Thoracic vertebra seen from above, Gray's Anatomy (1918)k.
A thoracic vertebra is any of the 12 vertebra in the spinal column to which the ribs are attached. Also known as dorsal vertebrae, thoracic vertebrae lie between the cervical vertebrae (neck) and the lumbar vertebrae (lower back) and are characterized by the presence of facets for articulation with the ribs.