Exam 2- Atypical Cervical Vertebrae C2 Flashcards
What unique vertebral body modification is characteristics of C2
The dens or odontoid process
How many joint surfaces are present on the odontoid process of C2
Facet for fovea dentis, groove for transverse atlantal ligament, attachment sites for the alar ligaments, attachment site for the apical-dental ligament
Which joint classifications are represented at the odontoid process of C2
Fibrous syndesmosis joint and synovial pivot joint
What is the name given to the odontoid process when the facet for fovea dentis lies above the groove to the transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed posterior
Lordotic dens
What is the name given to the odontoid process when the facet for fovea dentis lies below the groove for the transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed anterior
Kyphotic dens
How many joints are formed by the inferior part of the vertebral body of C2
Five
What joint classifications are present at the inferior part part of the vertebral body of C2
Fibrous syndesmosis, modified synovial saddle and cartilaginous symphysis
How many joint surfaces are present at the verterbal body of C2
Ten
What joint classifications are present at the verterbal body of C2
Fibrous syndesmosis, synovial pivot, modified synovial saddle and cartilaginous symphysis
What ligaments will attach posteriorly to the inferior epiphyseal rim of C2
Membrane tectoria and PLL
What ligament forms the anterior boundary for the spinal canal above C2
Membrane tectoria
What ligament forms the anterior boundary for the spinal canal below C2
PLL
What lies on the upper surface of the pedicle of C2
The superior articular process
What is the location of the superior vertebral notch of C2
On the lamina-pedicle junction
What attaches to the lamina of C2
Obliquus capitis inferior muscle, posterior Atlanta-axial ligament, ligamentum flavum
