Tectorial membrane of the spine

The tectorial membrane is the thin superior continuation of the posterior longitudinal ligament from the body of the axis. It joins the axis body to the clivus on the anterior half of the foramen magnum, and ascends as high as the spheno-occipital synchondrosis and laterally extends to the hypoglossal canal. Anteriorly lies the cruciform ligament. Spinal dura mater is firmly attached posteriorly, also serving as a ligament.

Anatomy: Spine

Article information

rID: 36587
System: Spine
Section: Anatomy
Synonyms or Alternate Spellings:

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Cases and figures

  • Figure 2: median atlanto-occipital and atlantoaxial joints (Gray's illustration)
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  • Figure 2: tectorial membrane (Gray's illustration)
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  • Figure 3: annotated image
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