Tectorial membrane of atlanto-axial joint

Tectorial membrane (axis)
Membrana tectoria, transverse, and alar ligaments. (Membrana tectoria labeled at far left.)
Median sagittal section through the occipital bone and first three cervical vertebræ. (Membrana tectoria labeled at left, second from top.)
Details
Identifiers
Latin	membrana tectoria
TA	A03.2.04.007
*Anatomical terminology* [edit on Wikidata]

The tectorial membrane of atlanto-axial joint (occipitoaxial ligaments) is situated within the vertebral canal.

It is a broad, strong band which covers the dens and its ligaments, and appears to be a prolongation upward of the posterior longitudinal ligament of the vertebral column.

It is fixed, below, to the posterior surface of the body of the axis, and, expanding as it ascends, is attached to the basilar groove of the occipital bone, in front of the foramen magnum, where it blends with the cranial dura mater.

Its anterior surface is in relation with the transverse ligament of the atlas, and its posterior surface with the dura mater.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

Joints and ligaments of torso

Vertebral

Syndesmosis

Of vertebral bodies	anterior longitudinal ligament posterior longitudinal ligament

Of vertebral arches	ligamenta flava supraspinous ligament nuchal ligament interspinous ligament intertransverse ligament

Symphysis

Synovial joint

Atlanto-axial	Medial: Cruciate ligament of atlas (Transverse ligament of atlas) Alar ligament Apical ligament of dens Tectorial membrane of atlanto-axial joint Lateral: no ligaments anterior atlantoaxial ligament posterior atlantoaxial ligament

Zygapophysial	no ligaments

Lumbosacral	iliolumbar ligament

Sacrococcygeal	anterior sacrococcygeal ligament posterior sacrococcygeal ligament

Thorax

Costovertebral

Head of rib	Radiate ligament Intra-articular ligament

Costotransverse	Costotransverse ligament Lumbocostal ligament

Sternocostal

Interchondral

no ligaments

Costochondral

no ligaments

Pelvis

Syndesmoses of pelvic girdle	Obturator membrane Obturator canal

Pubic symphysis	superior pubic ligament inferior pubic ligament

Sacroiliac	anterior sacroiliac ligament posterior sacroiliac ligament interosseous sacroiliac ligament ligaments connecting the sacrum and ischium: sacrotuberous ligament sacrospinous ligament

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