Articular Facet Of The Cervical Vertebra, Anatomy

Description

Cervical vertebral articular facets form the opposing surfaces of the zygapophysial (facet) joints in the neck, and this illustration isolates a single level bony facet with its smooth, slightly concave joint surface. The facet sits posterior to the vertebral body and pedicle, at the junction of the lamina and articular process, where it would meet its counterpart on the adjacent vertebra. Orientation is characteristically oblique in the cervical spine, with superior facets facing superoposteriorly and inferior facets facing inferoanteriorly, an arrangement that favors axial rotation while limiting excessive translation. Bone texture and the sharp cortical rim around the articular surface provide a strong sense of the joint margin. Facet joints are a frequent pain generator in cervical spondylosis and after whiplash injury, and the small topography of the articular surface helps explain why capsular strain can be symptomatic even when disc imaging looks benign. The oblique facet plane also underlies common patterns of segmental instability and contributes to degenerative foraminal narrowing when osteophytes enlarge along the posterior elements near the uncovertebral and zygapophyseal complexes. Small details matter. This fixed perspective is also well suited for correlating surface anatomy with fluoroscopic targets used in medial branch blocks and radiofrequency neurotomy, where clinicians work adjacent to the articular pillar and the joint line. Use this illustration in gross anatomy and osteology teaching to reinforce cervical facet orientation, in radiology and spine surgery texts to annotate posterior element landmarks, and in pain medicine materials that discuss facet-mediated neck pain and procedural anatomy. Anatomical accuracy verified by SciePro's Medical Advisory Board.