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Spinal Anatomy I - Exam 2 > Atypical Thoracic: T11/Anticlinal Vertebra > Flashcards

Atypical Thoracic: T11/Anticlinal Vertebra Flashcards

1
Q

What name is give to T11?

A

the anticlinal vertebra

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2
Q

What is the height pattern of the T11 vertebral body?

A

the posterior height is greater than the anterior height by one to two millimeters

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3
Q

What is the outline of the vertebral body of T11 on superior view?

A

kidney-shaped or reniform

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4
Q

Which vertebral segment is the first to have a reniform vertebral body?

A

T11

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5
Q

What joints are identified at the vertebral body of T11?

A
  • vertebral body to the longitudinal ligs. at the epiphyseal rims
  • vertebral body to vertebral body via the intervertebral discs
  • vertebral body to head of a rib (costocentral joint)
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6
Q

What joint classifications are identified at the vertebral body of T11?

A
  • fibrous (amphiarthrosis) syndesmosis
  • cartilaginous (amphiarthrosis) symphysis
  • synovial plane (diarthrosis arthrodia)
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7
Q

What are the examples of fibrous (amphiarthrosis) syndesmosis joints at the T11 vertebral body?

A
  • superior and inferior epiphyseal rim to anterior longitudinal ligament
  • superior and inferior epiphyseal rim to posterior longitudinal ligament
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8
Q

What are the examples of cartilaginous (amphiarthrosis) symphysis joints at the T11 vertebral body?

A

superior and inferior epiphyseal rims to intervertebral disc

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9
Q

What are the examples of synovial plane (diarthrosis arthrodia) joints at the T11 vertebral body?

A

superior costal facet to articular surface of the rib head (left and right)

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10
Q

How many synovial joints are formed at the vertebral body of T11?

A

2

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11
Q

How many symphysis joints are formed at the vertebral body of T11?

A

2

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12
Q

How many syndesmosis joints are formed at the vertebral body of T11?

A

typically 4 are identified (as many as 8 if the costocentral stellate/radiate lig. are included)

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13
Q

How many joints are typically formed at the vertebral body of T11?

A

typically 8 (12 if the costocentral stellate/radiate lig. are included)

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14
Q

How many costocentral joints are typically formed at the vertebral body of T11?

A

2

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15
Q

What synovial joint surfaces are present on the vertebral body of T11?

A

right and left superior costal facets

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16
Q

Which synovial joint surface is absent from the vertebral body of T11?

A

inferior costal demi-facets

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17
Q

What is the relationship between the vertebral body surface and the rib head surface for the costocentral joint of T11?

A

the superior costal facet of T11 will joint with the articular surface of the head of the 11th rib

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18
Q

How does the superior costal facet compare with those of T10?

A
  • it is larger
  • below the superior epiphyseal rim
  • it is completely circular
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19
Q

What feature will provide assistance in maintaining the stability of the intervertebral foramen at T11?

A

costocentral joint or ribs

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20
Q

Which rib-vertebral body combination is typically present at the intervertebral foramen for the tenth thoracic nerve?

A

the superior costal facet of T11 will joint with the articular surface of the head of the 11th rib

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21
Q

Which rib-vertebral body combination is typically present at the intervertebral foramen for the eleventh thoracic nerve?

A

the superior costal facet of T12 will joint with the articular surface of the head of the 12th rib

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22
Q

The costocentral stellate/radiate lig. will attach to which segments at the T10 spinal nerve intervertebral foramen?

A
  • vertebral body of T10

- vertebral body of T11

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23
Q

The costocentral stellate/radiate lig. will attach to which segments at the T11 spinal nerve intervertebral foramen?

A
  • vertebral body of T11

- vertebral body of T12

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24
Q

Which ligament of the costocentral joint is absent for the 11th rib?

A

costocentral interarticular or intra-articular lig.

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25
Q

What muscle is attached to the vertebral body of T11?

A

none

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26
Q

What is the position and direction of the pedicle from the vertebral body at T11?

A

the pedicle arises from the upper third of the vertebral body and projects posterior and slightly laterally

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27
Q

What is present at the tip of the transverse process of T11?

A

transverse tubercle

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28
Q

What part of the transverse process is absent at T11?

A

transverse costal facet

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29
Q

Which vertebra is the last segment to demonstrate a transverse costal facet?

A

T10

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30
Q

What ligaments form the costotransverse joint of T11?

A
  • superior costotransverse

- slightly developed inferior and lateral costotransverse

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31
Q

What is the typical rib-transverse process relationship for T11?

A

the 11th rib forms a fibrous joint with the T11 transverse process

32
Q

Which costotransverse joint will the superior costotransverse lig. of T11 support?

A

12th rib costotransverse joint

33
Q

The superior costotransverse lig. of rib 11 will attach to which segmental bony feature?

A

transverse process of T10

34
Q

The superior costotransverse lig. of the transverse process of T11 will attach to which rib?

A

12th rib

35
Q

The inferior costotransverse lig. of rib 11 will attach to which segmental bony feature?

A

transverse process of T11

36
Q

The inferior costotransverse lig. of the transverse process of T11 will attach to which rib?

A

11th rib

37
Q

The lateral costotransverse lig. of rib 11 will attach to which segmental bony feature?

A

transverse process of T11

38
Q

The lateral costotransverse lig. of the transverse process of T11 will attach to which rib?

A

11th rib

39
Q

What lig. attach to the transverse process of T11?

A
  • intertransverse lig.
  • superior costotransverse lig.
  • inferior costotransverse lig.
  • lateral costotransverse lig.
40
Q

Which costotransverse lig. are absent at T11?

A

capsular costotransverse lig.

41
Q

Which muscles attach to the transverse process of T11?

A
  • longissimus thoracis
  • semispinalis thoracis
  • multifidis
  • rotator longus
  • rotator brevis
  • intertransversarii
  • levator costarum brevis
42
Q

Which erector spinae muscle attaches to the transverse process of T11?

A

longissimus thoracis

43
Q

Which erector spinae muscles will not attach to the transverse process of T11?

A

spinalis and iliocostalis muscles

44
Q

Which transversospinalis muscles attach to the transverse process of T11?

A
  • semispinalis thoracis
  • multifidis
  • rotator longus
  • rotator brevis
45
Q

Which levator costarum muscle is absent at T11?

A

levator costarum longus

46
Q

Which segment will be the last to demonstrate an attachment for the levator costarum longus?

A

T10

47
Q

What is the orientation of the superior articular facets of T11?

A

backward, upward, and lateral (BUL)

48
Q

What is the orientation of the inferior articular facets of T11?

A

forward, downward, and medial (ForMeD)

49
Q

What is the curvature of the superior articular facets of T11?

A

slightly convex

50
Q

What is the curvature of the inferior articular facets of T11?

A

slightly concave

51
Q

How may synovial joints are typically present at T11?

A

6

52
Q

Identify the synovial joint surfaces typically present on T11.

A
  • two superior costal facets
  • two superior articular facets
  • two inferior articular facets
53
Q

How many synovial joint surfaces for ribs are typically present on T11?

A

2

54
Q

Identify the synovial joint surfaces for ribs that are typically present on T11.

A

two superior costal facets

55
Q

Which rib-related facets are absent on T11?

A
  • inferior costal demi-facets

- transverse costal facets

56
Q

What is the orientation of the spinous process of T11?

A

posterior and horizontal

57
Q

What is the length of the spinous process of T11?

A

it will lengthen significantly from the spinous process of T10

58
Q

What ligaments attach to the spinous process of T11?

A
  • interspinous lig.

- supraspinous lig.

59
Q

What joint classification is associated with lig. attaching to the T11 spinous process?

A

fibrous (amphiarthrosis) syndesmosis

60
Q

What muscles attach to the spinous process of T11?

A
  • trapezius
  • latissimus dorsi
  • serratus posterior inferior
  • iliocostalis lumborum
  • spinalis thoracis
  • multifidis
  • rotator longus
  • rotator brevis
  • interspinalis
61
Q

Which erector spinae muscles will attach to the spinous process of T11?

A
  • spinalis

- iliocostalis

62
Q

Which erector spinae muscles will not attach to the spinous process of T11?

A

longissimus

63
Q

At which segments of the thoracic spine will the spinalis muscle not attach?

A

T9 and T10

64
Q

Which erector spinae muscle uniquely attaches to the spinous process of T11?

A

iliocostalis lumborum

65
Q

Which transversospinalis muscles attach to the spinous process of T11?

A
  • multifidis

- rotators

66
Q

Which of the muscles of the 5 layers of the true back are present at the T11 spinous process?

A
  • trapezius
  • latissimus dorsi
  • serratus posterior inferior
  • iliocostalis lumborum
  • spinalis thoracis
  • multifidis
  • rotator longus
  • rotator brevis
67
Q

Which of the erector spinae muscle groups is absent at the T11 spinous process?

A

longissimus

68
Q

Which of the transversospinalis muscle groups is absent at the T11 spinous process?

A

semispinalis

69
Q

Which of the muscle layers of the true back are represented at the T11 spinous process?

A

layers 1, 3, 4, and 5

70
Q

Which of the muscle layers of the true back is absent at the T11 spinous process?

A

layer 2

71
Q

Which muscles attaching to the spinous process of T11 are not included in any muscle layer of the true back?

A

interspinalis

72
Q

What joint classifications are present at T11?

A
  • fibrous (amphiarthrosis) syndesmosis
  • cartilaginous (amphiarthrosis) symphysis
  • synovial plane (diarthrosis arthrodia)
73
Q

At what parts of T11 will the fibrous (amphiarthrosis) syndesmosis joint be observed?

A
  • vertebral body
  • lamina
  • transverse process
  • spinous process
74
Q

At what part of T11 will the cartilaginous (amphiarthrosis) symphysis joint be observed?

A

vertebral body

75
Q

At what parts of T11 will the synovial plane (diarthrosis arthrodia) joint be observed?

A
  • vertebral body

- articular process

Spinal Anatomy I - Exam 2 (28 decks)

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