Regions of the Vertebral Column Flashcards

1
Q

Which mammals have more than seven cervical vertebrae?

A

Ant bear, three-toed sloth

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2
Q

Which mammals have less than seven cervical vertebrae?

A

Two-toed sloth, manatee

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3
Q

What is the number of vertebrae in the typical cervical spine?

A

Seven segments

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4
Q

Which vertebrae are typical cervicals?

A

C3-C6

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5
Q

Which vertebrae are atypical cervicals?

A

C1, C2, C7

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6
Q

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

A

Rectangular

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7
Q

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

A

Posterior height is greater than anterior height by a few millimeters

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8
Q

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

A

Posterior or kyphotic

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9
Q

What accounts for the direction of the typical cervical curve?

A

The intervertebral disc height

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10
Q

What is the direction of the typical cervical curve?

A

Anterior or lordotic

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11
Q

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

A

C5/C6

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12
Q

What is the effect of aging on the cervical vertebral body?

A

It diminishes the overall height of the vertebral body

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13
Q

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

A

Anterior groove, posterior groove, right and left uncinate processes

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14
Q

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

A

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

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15
Q

At what developmental age will the uncinate process first be observed?

A

3rd - 4th fetal month

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16
Q

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

A

Anterior lip, posterior lip, right and left lateral grooves

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17
Q

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

A

Lateral groove or enchancrure

18
Q

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

A

Fibrous (amphiarthrosis) syndesmosis

19
Q

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

A

Fibrous (amphiarthrosis) syndesmosis

20
Q

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

A

Modified synovial saddle (diarthrosis sellar)

21
Q

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

A

Cartilaginous (amphiarthrosis) symphysis

22
Q

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

A

Five

23
Q

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

A

Ten

24
Q

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

A

Joint of Luschka or uncovertebral joint

25
Q

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

A

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

26
Q

What is the functional significance of the joint of Luschka?

A

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

27
Q

What muscle attaches to the typical cervical vertebral body?

A

The longus colli muscle

28
Q

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

A

Posterolateral, 45 degrees

29
Q

At what location on the vertebral body of a typical cervical will the pedicle attach?

A

To the side and in the center of the vertebral body

30
Q

The greatest transverse diameter of the typical cervical vertebra occurs at________.

A

C6

31
Q

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

A

C5/C6

32
Q

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

A

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

33
Q

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

A

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

34
Q

What muscles will attach to the costotransverse bar?

A

Middle scalene and posterior intertransversarii

35
Q

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

A

Sulcus for the ventral primary ramus of a cervical spinal nerve

36
Q

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

A

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

37
Q

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

A

The carotid tubercle

38
Q

What will cause remodeling of the anterior tubercle at C6?

A

The common carotid artery

39
Q

What will occupy the typical cervical vertebra transverse foramen?

A

The vertebral artery, vertebral plexus and postganglionic sympathetic motor nerve fibers

40
Q

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

A

Anterior scalene, longus capitis, longus colli, anterior intertransversarii