Thoracic vertebra is a term often used in anatomy to describe the twelve vertebrae of the upper back region. However, there are several synonyms for this term that can be useful to know. These include dorsal vertebrae, thoracic spine, and the posterior or back part of the rib cage. In addition, medical professionals may also use the term thoracic segment or thoracic level. It's important to understand these synonyms as they can be helpful in discussions with healthcare providers and in understanding medical literature. By familiarizing oneself with the various words used to describe this area of the spine, individuals can better communicate about their health concerns and treatment options.