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Anterior atlanto-occipital membrane

Other Terms: Anterior atlantooccipital membrane, Membrana atlanto-occipitalis anterior, Membrana atlantooccipitalis anterior, Membrane atlantooccipitale antérieure

Parts

None

Group

Vertebral ligaments

Description

A broad fibrous sheet that binds the anterior edge of the foramen magnum to the superior margin of the anterior arch of the atlas. The thickened median portion of this membrane is the continuation of the anterior longitudinal ligament. Laterally it covers the anterior surface of the atlanto-occipital joints.

Function

It stabilizes the atlanto-occipital junction anteriorly and limits extension of the skull.

Latin

Membrana atlantooccipitalis anterior

French

Membrane atlantooccipitale antérieure

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