CI ex. 1 QQ

Question 1

what osseous modification is observed to the front of the anterior arch of C1?

Answer 1

anterior tubercle

Question 2

what is observed on the back of the anterior arch of C1?

Answer 2

fovea dentis

Question 3

what attaches behind the anterior arch of C1?

Answer 3

lateral mass

Question 4

what is the name of the rounded elevation on the medial aspect of the lateral mass of C1?

Answer 4

tubercle for the transverse atlantal ligament

Question 5

what is identified in the midline at the back of the posterior arch of C1?

Answer 5

posterior tubercle

Question 6

what superior surface modification of the posterior arch of C1 is present near the lateral mass?

Answer 6

groove/sulcus for vertebral artery

Question 7

what superior surface modification is present near the posterior tubercle of the posterior arch of C1?

Answer 7

arcuate rim

Question 8

what attaches to the arcuate rim of the posterior arch of atlas and to the superior articular process of the lateral mass of atlas?

Answer 8

a complete ponticulus posticus

Question 9

based on the amount of bony union between the superior articular process and the arcuate rim of C1 what structure will form?

Answer 9

an incomplete ponticulus posticus or complete ponticulus posticus

Question 10

what names are given to the opening formed by the ponticulus posticus?

Answer 10

arcuate foramen or retroarticular canal

Question 11

what is observed on the undersurface of the posterior arch of C1?

Answer 11

the inferior vertebral notch

Question 12

what is the name given to the anterior part of the transverse process of C1?

Answer 12

costal element

Question 13

what is the name given to the posterior part of the transverse process of C1?

Answer 13

true transverse process

Question 14

what is the distal most part of the transverse process of C1?

Answer 14

posterior tubercle

Question 15

what opening is identified in the transverse process of C1?

Answer 15

transverse foramen