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Components of Occipitoaxial Ligament 3D

  • Alar Ligaments
    • * Are two small, dense bands of fibrous tissue.
    • * Extend from the sides of the dens (odontoid process) of the second cervical vertebra (axis) to the medial surfaces of the occipital condyles of the skull.
    • * Their function is to provide stability and support to the atlantoaxial joint.
    • * Help to limit excessive rotation of the head and neck, thereby preventing injury.

 

  • Tectorial Membrane​​​​​​​
    • Is a strong, fibrous membrane.
    • * Extends from the posterior surface of the body of the second cervical vertebra (axis) to the basilar part of the occipital bone at the base of the skull.
    • * Is an extension of the posterior longitudinal ligament of the spine.
    • * Its function is to provide stability to the atlantoaxial joint.
    • * Helps to limit the amount of extension and flexion of the upper cervical spine.

 

  • Cruciform Ligament​​​​​​​
    • * Consists of two parts, the longitudinal band and the transverse ligament.
    • * The longitudinal band extends from the body of the second cervical vertebra (axis) to the occipital bone at the base of the skull.
    • * The transverse ligament extends across the ring of the first cervical vertebra (atlas) and divides the cruciform ligament into upper and lower parts. * Its function is to provide stability and support to the atlantoaxial joint.
    • * Helps to limit the amount of extension and flexion of the upper cervical spine

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  • Alar Ligaments
    • * Are two small, dense bands of fibrous tissue.
    • * Extend from the sides of the dens (odontoid process) of the second cervical vertebra (axis) to the medial surfaces of the occipital condyles of the skull.
    • * Their function is to provide stability and support to the atlantoaxial joint.
    • * Help to limit excessive rotation of the head and neck, thereby preventing injury.

 

  • Tectorial Membrane​​​​​​​
    • Is a strong, fibrous membrane.
    • * Extends from the posterior surface of the body of the second cervical vertebra (axis) to the basilar part of the occipital bone at the base of the skull.
    • * Is an extension of the posterior longitudinal ligament of the spine.
    • * Its function is to provide stability to the atlantoaxial joint.
    • * Helps to limit the amount of extension and flexion of the upper cervical spine.

 

  • Cruciform Ligament​​​​​​​
    • * Consists of two parts, the longitudinal band and the transverse ligament.
    • * The longitudinal band extends from the body of the second cervical vertebra (axis) to the occipital bone at the base of the skull.
    • * The transverse ligament extends across the ring of the first cervical vertebra (atlas) and divides the cruciform ligament into upper and lower parts. * Its function is to provide stability and support to the atlantoaxial joint.
    • * Helps to limit the amount of extension and flexion of the upper cervical spine

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