Your thoracic spine is the middle section of your spine. It starts at the base of your neck and ends at the bottom of your ribs. It consists of 12 vertebrae. The thoracic vertebrae (T1–T12) are twelve vertebrae located in the middle segment of the vertebral column. They form the backbone of the thoracic region and are uniquely structured to articulate with the ribs. Learn about the thoracic vertebrae, the second and longest part of the spinal column, consisting of 12 bones that form the thoracic cage. See their structure, articulations, muscle and ligament attachments, and labeled diagrams. Learn about the anatomy and function of the thoracic vertebrae, the middle segment of the vertebral column in humans and other vertebrates. Find out the number, characteristics, and peculiarities of the twelve thoracic vertebrae (T1-T12) and their relation to the ribs and nerves.
