Exam 1 - Basic Osteology of Vertebral Column Flashcards Preview

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Flashcards in Exam 1 - Basic Osteology of Vertebral Column Deck (65)
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1

What osseous modification is observed to the front of the antererior arch of C1?

the anterior tubercle

2

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

the fovea dentis

3

What attaches behind the anterior arch of C1?

the lateral mass

4

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

tubercle for the transverse atlantal ligament

5

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

the posterior tubercle

6

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

groove / sulcus for the vertebral artery

7

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

the arcuate rim

8

What attaches to the arcuate rim of the posterior arch of atlas and to the superior articular proces of the lateral mass of atlas?

a complete ponticulus posticus

9

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

an incomplete ponticulus posticus
OR a complete ponticulus posticus

10

What names are given to the opening formed by the ponticulus posticus

arcuate foramen
OR retroarticular canal

11

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

the inferior vertebral notch

12

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

the costal element

13

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

the true transverse process

14

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

the posterior tubercle

15

What opening is identified in the transverse process of C1?

the transverse foramen

16

What unique vertebral body modification is characteristic of C2?

the dens or odontoid process

17

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

18

What feature is identified on the anterior surface of the vertebral body of C2?

the longus colli muscle attachment

19

What feature is identified on the anterior surface of the inferior epiphyseal rim of C2?

the anterior lip

20

What feature is identified on the posterior surface of the inferior epiphyseal rim of C2?

the posterior lip

21

What features are present at the at the lateral margins of the inferior epiphyseal rim?

right and left lateral grooves

22

What lies on the upper surface of the pedicle of C2?

the superior articular process

23

What is the location of the superior vertebral notch of C2?

on the lamina-pedicle junction

24

What feature is identified on the lower surface of the pedicle of C2?

the inferior vertebral notch or inferior vertebral incisure

25

What osseous parts of the typical cervical transverse process are present at C2?

costal element
posterior tubercle
true transverse process

26

What is the characteristic appearance of the C2 spinous process in humans?

it is bifid

27

What are the modifications of the superior epiphyseal rim of a typical cervical?

anterior groove
posterior groove
right and left uncinate processes

28

What are the modifications of the inferior epiphyseal rim of a typical cervical?

anterior lip
posterior lip
right and lefter lateral grooves

29

What attaches to the posterolateral margin and in the center of a typical cervical vertebral body?

the pedicle

30

What surface feature is located at the upper margin of the pedicle?

superior vertebral notch