Facet for Dens Anatomy in 3D | Rolandic Anatomy

The articular surface on the anterior arch of the atlas. In conditions like Down Syndrome or Rheumatoid Arthritis, the ligaments holding the dens against this facet can become lax, leading to dangerous atlanto-axial subluxation.

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Related structures

Facet for calcaneonavicular part of bifurcate ligament Facet for Plantar Calcaneonavicular Ligament Anterior Articular Facet of Dens Axis Articular Facet for Malleus Articular Facet for Stapes Middle Facet for Calcaneus Posterior Articular Facet of Dens Axis Dens Axis