Transverse Process Of The Thoracic Vertebrae, Posterior View

Description

Thoracic transverse processes project posterolaterally from the vertebral arch, arising at the junction of pedicle and lamina and sitting lateral to the spinous process in a posterior orientation. Along the anterior aspect of each transverse process, the transverse costal facet (fovea costalis processi transversi) lies positioned to meet the tubercle of a rib, while the base of the process blends medially into the lamina and superiorly toward the superior articular process. Surface texture is emphasized as a roughened, broad bony extension rather than a smooth cortical contour. Orientation is unmistakable. Costotransverse articulation is the key clinical readout. The transverse costal facet anchors the posterior rib cage and helps explain why thoracic segmental mechanics differ from cervical and lumbar regions, and why inflammatory arthropathy at the costovertebral and costotransverse joints can produce focal paraspinal tenderness that mimics pulmonary or pleural pain. The posterior perspective also supports teaching around traumatic transverse process fractures, where avulsion by paraspinal and rib-associated musculature and adjacent ligamentous attachments can accompany thoracic injury patterns even when the vertebral body is intact. Use this illustration for thoracic spine modules in gross anatomy, osteology labs, and radiology correlation sections that discuss rib head and tubercle alignment at T1 to T10, as well as for surgical education materials outlining posterior approaches that require confident bony landmark recognition. It also fits medical publishing needs for chapters on chest wall biomechanics, costotransverse joint pathology, and spine trauma classification. Anatomical accuracy verified by SciePro's Medical Advisory Board.