Regions of the Vertebral Column: Cervical Region (Typical Cervical Vertebrae C3-C6) Flashcards Preview

Spinal Anatomy > Regions of the Vertebral Column: Cervical Region (Typical Cervical Vertebrae C3-C6) > Flashcards

Flashcards in Regions of the Vertebral Column: Cervical Region (Typical Cervical Vertebrae C3-C6) Deck (61):
1

Which mammals have more than seven cervical vertebrae?

Ant bear, three-toed sloth

2

Which mammals have less than seven cervical vertebrae?

Two-towed sloth, manatee

3

Which vertebrae are typically cervicals?

C3-C6

4

Which vertebrae are atypical cervicals?

C1, C2, C7

5

What is the shape of the typical cervical vertebral body from the cranial view?

Rectangular

6

What is the appearance of the typical cervical vertebral body from the lateral view?

Posterior height is greater than anterior height by a few millimeters

7

What would be the direction of the cervical curve based on osseous features?

Posterior or kyphotic

8

What accounts for the direction of the typical cervical curve?

The intervertebral disc height

9

What is the direction of the typical cervical curve?

Anterior or lordotic

10

At which vertebral couple will the cervical curve again increase intervertebral disc height?

C5/C6

11

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

Anterior groove, posterior groove, right and left uncinate processes

12

What are the names of the lateral modification of the superior epiphyseal rim?

Uncinate process, unciform process, uncovertebral process, uncus or lateral lip

13

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

Anterior lip, posterior lip, right and left lateral frooves

14

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

Anterior lip, posterior lip, right and left lateral grooves

15

What are the names given to the lateral modifications of the inferior epiphyseal rim?

Lateral groove or enchancrure

16

What is the joint classification for the posterior lip-posterior groove articulation?

Fibrous (amphiarthrosis) syndesmosis

17

What is the joint classification for the uncinate process-lateral groove articulation?

Modified synovial saddle (diarthrosis sellar)

18

What is the joint classification for the spongy bone-intervertebral disc articulation?

Cartilaginous (amphiarthrosis) symphysis

19

How many joint surfaces are present on the upper surface of a typical cervical vertebral body?

Five

20

How many joint surfaces are present on the lower surface of a typical cervical vertebral body?

Five

21

How many joint surfaces are present on the vertebral body of a typical cervical?

Ten

22

How many synovial joint surfaces are present on the vertebral body of a typical cervical?

Four

23

What is the name given to the uncinate process-lateral groove articulation?

Joint of Luschka or uncovertebral joint

24

What does the recent literature suggest as to the nature of the joint of Luschka?

The joint is representative of intervertebral disc aging which results in loss of lamellar integrity near the joint

25

What is the functional significance of the joint of Luschka?

It appears to stabilize the intervertebral disc while accommodating flexion - extension and requiring coupled motion (axial rotation with lateral bending) in the cervical spine

26

What muscle attaches to the typical cervical vertebral body?

The longus colli muscle

27

What is the orientation and angulation of the pedicle for a typical cervical?

Posterolateral, 45 degrees

28

What ligament attaches to the lamina of a typical cervcial?

Ligamentum flavum

29

What joint classification will be associated with the ligamentum flavum and its attachment?

Fibrous (amphiarthrosis) syndesmosis

30

Ossification of the ligamentum flavum at the attachment site on the lamina will result in what feature?

Para-articular processes

31

Ossification of the ligamentum flavum at the attachment site on the lamina will be associated with which classification of bone?

Accessory bone

32

Ossification within the length of the ligamentum flavum will be associated with which classification of bone?

Heterotopic bone

33

What is the outline of the vertebral foramen of a typical cervical vertebra?

Heart-shaped or triangular

34

Which is the greatest diameter of the vertebral foramen of typical cervical?

Transverse

35

What soft tissue diameter mimics the outline of the typical cervical vertebral foramen?

The transverse diameter of the cervical enlargement of the spinal cord

36

The greatest transverse diameter of the typical cervical vertebra occurs at ___?

C6

37

The greatest frequency of osteophytes associated with the vertebral body occurs at which typical cervical vertebral couple?

C5/C6

38

List, in order, the osseous parts of the typical cervical vertebra transverse process beginning at the vertebral body.

Costal element, anterior tubercle, costotransverse bar, posterior tubercle, true transverse process

39

What muscles will attach to the anterior tubercle of a typical cervical vertebra?

Anterior scalene, longus capitis, longus colli, anterior intertransversarii

40

What is the distal modification of the true transverse process of typical cervicals?

The posterior tubercle

41

What muscles may attach to the posterior tubercle of a typical cervical vertebra?

Splenius cervicis, iliocostalis cervicis, longissimus cervicis, levator scapula, middle scalene, posterior scalene, rotators and posterior intertransversarii

42

What muscles will attach to the costotransverse bar?

Middle scalene and posterior intertransversarii

43

What is the name given to the collective rib-forming region?

The pleurapophysis

44

What is the name given to the superior margin of the costotransverse bar?

Sulcus for the ventral primary ramus of a cervical spinal nerve

45

What is the orientation and angulation of typical cervical transverse process?

60 degrees anterolaterally (from midsagittal plane), 15 degrees inferiorly (from the horizontal plane)

46

What is the name given to the modification of the anterior tubercle of the C6 transverse process?

The carotid tubercle

47

What will occupy the typical cervical vertebra transverse foramen?

The vertebral artery, vertebral venous plexus ans postganglionic sympathetic motor nerve fibers

48

What is the name of the lamina-pedicle junction of typical cervical vertebrae?

The articular pillar

49

What is the name of the surface feature observed between the ends of the articular pillar?

The groove/sulcus for the dorsal ramus of a cervical spinal nerve

50

What nerve indents the articular pillar of typical cervical vertebrae?

The medial branch of the dorsal ramus of a cervical spinal nerve

51

What is the classic angulation of typical cervical articular facets?

40 to 45 degrees from the coronal plane

52

What is the orientation of the typical cervical superior articular facet?

Backward, upward, medial (BUM)

53

What is the orientation of the typical cervical inferior articular facet?

Forward, lateral, downward (FoLD)

54

What muscles will attach to typical cervical articular processes?

The longissimus capitis, longissimus cervicis, semispinalis capitis, semispinalis cervicis, multifidis and rotators

55

What muscle blend with the capsular ligament of cervical zygapophyses?

The semispinalis capitis, multifidis, and rotator longus

56

What modifications of the synovial joint are observed in the cervical spine?

Meniscoidal folds

57

The greatest range of flexion-extension among the typical cervical vertebrae occurs at which vertebral couple?

Typically C5/C6

58

What motions are coupled in the cervical spine?

Lateral bending and axial rotation

59

Ranges of coupled motion among the typical cervical vertebrae will be similar for what cervical vertebral couples?

The C2/C3, C3/C4, C4/C5 vertebral couples

60

Ranges of coupled motion among the typical cervical vertebrae will being to decrease at what cervical vertebral couple?

The C5/C6 vertebral couple

61

What muscles may attach to the typical cervical spinous process?

The spinalis cervicis, semispinalis cervicis, semispinalis thoracis, multifidis, rotators and interspinalis

Decks in Spinal Anatomy Class (33):