8/18 Questions Exam 2 Flashcards
What joint classifications are observed at C1?
fibrous (amphiarthrosis) syndesmosis joint synovial (diarthrosis) ellipsoidal joint synovial (diarthrosis trochoid) joint synovial plane (diarthrosis arthrodia) joint
How many synovial joint surfaces are observed at C1?
5
What synovial joint surfaces are observed at C1?
two superior articular facets
two inferior articular facets
the fovea dentis
What names are given to C2?
axis or epistropheus
What unique vertebral body modification is characteristic of C2?
the dens or odontoid process
How many joint surfaces are present on the odontoid process of C2?
5
What 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 (amphiarthrosis) syndesmosis joint synovial pivot (diarthrosis trochoid) joint
What is the name given to the odontoid process when the facet for the fovea dentis lies above the groove for 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 the 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
What joint surfaces are present at the inferior part of the vertebral body of C2?
anterior lip
posterior lip
right and left lateral grooves
cancellous bone
How many joints are formed by the inferior part of the vertebral body of C2?
5
What joint classifications are present at the inferior part of the vertebral body of C2?
fibrous (amphiarthrosis) syndesmosis
modified synovial saddle (diarthrosis sellar)
cartilaginous (amphiarthrosis) symphysis
How many joint surfaces are present at the vertebral body of C2?
10
What joint classifications are present at the vertebral body of C2?
fibrous (amphiarthrosis) syndesmosis
synovial pivot (diarthrosis trochoid)
modified synovial saddle (diarthrosis sellar)
cartilaginous (amphiarthrosis) symphysis
What ligaments will attach posteriorly, to the inferior epiphyseal rim of C2?
membrana tectoria and posterior longitudinal ligament
What ligament will represent the cranial continuation of the posterior longitudinal ligament?
membrana tectoria
What ligament forms the anterior boundary for the spinal canal above C2?
membrana tectoria
What ligament forms the anterior boundary for the spinal canal below C2?
posterior longitudinal ligament
