Superior Costal Facet Of The Thoracic Vertebrae, Superior View

Description

Superior costal facet (fovea costalis superior) on a thoracic vertebral body is the focal landmark in this superior view, positioned at the posterolateral margin of the vertebral body’s superior endplate where the rib head will articulate. From this fixed perspective, the vertebral body occupies the anterior portion of the frame, while the pedicles arise posteriorly to form the vertebral arch and lead toward the laminae and the base of the spinous process. Laterally, the transverse processes and the margin of the vertebral foramen provide orientation in the thoracic spine, helping you distinguish the costal facet from the adjacent endplate rim and uncovertebral-like irregularities that can appear with degeneration. Small anatomy, big consequences. Costal facets are defining features of thoracic vertebrae because they form the osseous components of the costovertebral joints, where the head of a typical rib contacts the superior costal facet of the numerically corresponding vertebra and the inferior costal facet of the vertebra above. That relationship matters when teaching segmental anatomy and when interpreting thoracic pain patterns, since osteophytes at the vertebral body margin or inflammatory arthropathy at the costovertebral articulation can limit rib excursion and contribute to focal paraspinal tenderness. The superior viewpoint keeps the facet’s position relative to the vertebral body and pedicle easy to localize, which is often harder to appreciate in lateral-only teaching diagrams. Use this illustration in gross anatomy labs to anchor identification of thoracic vertebrae versus cervical and lumbar levels, and in radiology or orthopedics teaching to correlate the bony articulation with CT axial anatomy and rib head fractures near the costovertebral joint. It also supports textbook figures on thoracic cage mechanics, costovertebral joint arthritis, and posterior surgical approaches where bony landmarks guide level confirmation. Anatomical accuracy verified by SciePro's Medical Advisory Board.