III. Vertebral Column: Cervical Region C2 Flashcards
What unique vertebral body modification is characteristic of C2?
the dens or odontoid process
What 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
What feature is identified on the anterior surface of the vertebral body of C2?
the longus colli muscle attachment
What features are present at the inferior part of the vertebral body of C2?
the inferior epiphyseal rim and cancellous bone
What feature is identified on the anterior surface of the inferior epiphyseal rim of C2?
the anterior lip
What feature is identified on the posterior surface of the inferior epiphyseal rim of C2?
the posterior lip
What features are present at the lateral margins of the inferior epiphyseal rim of C2?
right and left lateral grooves
What lies on the upper surface of the pedicle of C2?
the superior articular process
What is the location of the superior vertebral arch of C2?
on the lamina-pedicle junction
What feature is identified on the lower surface of the pedicle of C2?
the inferior vertebral notch or inferior vertebral incisure
What osseous parts of the typical cervical transverse process are present at C2?
costal element, posterior tubercle and true transverse process
What is the characteristic appearance of the C2 spinous process in humans?d
it is bifid
