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Other Terms: Articulatio atlanto-occipitalis, Craniovertebral joint, Articulatio atlantooccipitalis, Articulation atlantooccipitale
The atlanto-occipital articulations function as bilaterally symmetrical joints, each of which is formed by an occipital condyle and a superior articular facet of the atlas. Each is classified as an ellipsoidal joint because of its shape. The capsule is rather roomy and relaxed and the joint possesses no individual accessory ligaments.