Flashcards in Day 3 Deck (17):
1
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
2
Which joint classifications are represent at the odontoid process of C2?
fibrous (amphiarthrosis) syndesmosis joint and synovial pivot (diarthrosis trochoid) joint
3
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
4
What is the name given to the odontoid process when the facet for the fovea dents 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
5
What joint classifications are present at the inferior part of the vertebral body of C2?
fibrous (amphiarthrosis) synedsmosis, modified synovial saddle (diarthrosis sellar) and cartilaginous (amphiarthrosis) symphysis
6
How many joint surfaces are present at the vertebral body of C2?
ten
7
What joint classifications are present at the vertebral body of C2?
fibrous (amphiarthrosis) syndesmosis, synovial pivot (diarthrosis trochoid), modified synovial saddle (diarthrosis sellar) and cartilaginous (amphiarthrosis) symphysis
8
What ligament forms the anterior boundary for the spinal canal above C2?
membrana tectoria
9
What ligament forms the anterior boundary for the spinal canal below C2?
posterior longitudinal ligament
10
What lies on the upper surface of the pedicle of C2?
the superior articular process
11
What attaches to the lamina of C2?
obliquus capitis inferior muscle, posterior atlanto-axial ligament, ligamentum flavum
12
What is the appearance of the superior articular facets of C2?
they are asymmetrical and slightly convex
13
What is the facet orientation of the superior articular facet of C2?
backward, upward, and lateral (BUL)
14
What is the orientation of the inferior articular facets of C2?
forward, lateral, and down (FoLD)
15
What muscle attaches to the articular process of C2?
longissimus cervicis
16
What is the gender variation for the transverse diameter of C2?
males: fifty-seven millimeters and females: fifty milliliters
17