Occipito-axial Joint Flashcards
Embryologically, what forms the apical ligament of the dens (apicodental ligament)?
NOTOCHORD
What forms the cranial continuation of the PLL?
Membrana Tectoria
The membrana tectoria is the cranial continuation of what ligament?
Posterior longitudinal ligament
What are the layers f the membrana tectoria?
Superficial layer and Deep layer
The superficial layer of the membrana tectoria lies in front of what structure?
Dura mater of the medulla oblongata and the spinal cord
What lies in front of the deep layer of the membrana tectoria?
Cruciate ligament
What is the function of the membrana tectoria?
It resists flexion and extension of the skull on the upper cervical spine
What is the joint classification of the membrana tectoria?
Amphiarthrosis syndesmosis joint