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Anterior atlantooccipital membrane

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Through Atlas (anatomy)

The membrane helps limit excessive movement at the atlanto-occipital joints.

Anatomy

Structure

It is composed of broad, densely woven fibers; especially towards the midline where the membrane is continuous medially with the anterior longitudinal ligament. It is innervated by the cervical spinal nerve 1.

Relations

Medially, it is continuous with the anterior longitudinal ligament.

Laterally, it is blends with either articular capsule.

This membrane is in relation in anteriorly with the rectus capitis anterior muscles, and posteriorly with the alar ligaments.

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