Superior Articular Process Of The Thoracic Vertebrae In Anterior View

Description

Superior articular process of a typical thoracic vertebra is centered in this anterior-oriented view, rising from the junction of pedicle and lamina just posterior to the vertebral body. Medial to it, the vertebral body and pedicle form the stout osseous bridge toward the vertebral arch, while laterally the root of the transverse process lies in close proximity at the pedicle base. The superior articular facet appears as an oval, relatively flat surface, angled to face posteriorly and slightly laterally, positioning it to meet the inferior articular facet of the vertebra above at the zygapophysial (facet) joint. Bony landmarks are crisp. Facet orientation in the thoracic spine governs coupled motion and helps explain why thoracic zygapophysial pain patterns differ from cervical and lumbar presentations, with referral often perceived as paraspinal or interscapular discomfort rather than radicular symptoms. For surgeons, the relationship between the superior articular process, pedicle, and transverse process provides a reliable map for posterior instrumentation planning, since malpositioned thoracic pedicle screws can breach the medial wall toward the spinal canal or the lateral cortex toward pleura. A tight corridor. In teaching settings, this illustration supports osteology labs and spine modules by isolating the superior articular process and pedicle anatomy students must identify on dry bone and correlate with CT bone windows. It also fits well in procedural texts discussing thoracic medial branch blocks or radiofrequency ablation, where accurate localization of the facet joint complex depends on understanding the articular processes as fixed landmarks rather than soft-tissue targets. Anatomical accuracy verified by SciePro's Medical Advisory Board.