Thoracic Vertebra's Superior Vertebral Notch, Lateral View

Description

Thoracic vertebral pedicle contours define the superior vertebral notch as a shallow concavity along the pedicle’s superior border, immediately inferior to the superior articular process and posterior to the vertebral body. From this lateral perspective, the notch sits at the junction of the vertebral arch and body, with the lamina and spinous process extending posteriorly and the transverse process projecting laterally in the thoracic region. Its curved margin is read in relation to the inferior vertebral notch of the vertebra above, together outlining the osseous boundaries of the intervertebral foramen. Small structure, big consequences. Foraminal anatomy matters most when you are localizing thoracic radiculopathy or interpreting degenerative narrowing on CT or MRI, because osteophytes and facet hypertrophy can encroach on the intervertebral foramen where the thoracic spinal nerve and dorsal root ganglion traverse. The fixed lateral view isolates the notch as a bony landmark on the pedicle, which is helpful for teaching how the intervertebral foramen is assembled by adjacent vertebrae and by the intervertebral disc anteriorly, and why disc height loss can tighten the superior and inferior boundaries. Orthopaedic and neurosurgical readers will also recognize the pedicle as the corridor for instrumentation, and this image clarifies the relationship between the notch and the pedicle’s cortical margins that frame the foramen. Use this illustration in spine anatomy curricula (thoracic vertebrae, intervertebral foramina), in radiology teaching files explaining foraminal stenosis and pedicle-based landmarks on lateral projections, and in surgical education materials discussing thoracic pedicle screw planning and nerve root risk zones. Anatomical accuracy verified by SciePro's Medical Advisory Board.