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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
What muscle is attached to the vertebral body of T11?
none
26
What is the position and direction of the pedicle from the vertebral body at T11?
the pedicle arises from the upper third of the vertebral body and projects posterior and slightly laterally
27
What is present at the tip of the transverse process of T11?
transverse tubercle
28
What part of the transverse process is absent at T11?
transverse costal facet
29
Which vertebra is the last segment to demonstrate a transverse costal facet?
T10
30
What ligaments form the costotransverse joint of T11?
- superior costotransverse | - slightly developed inferior and lateral costotransverse
31
What is the typical rib-transverse process relationship for T11?
the 11th rib forms a fibrous joint with the T11 transverse process
32
Which costotransverse joint will the superior costotransverse lig. of T11 support?
12th rib costotransverse joint
33
The superior costotransverse lig. of rib 11 will attach to which segmental bony feature?
transverse process of T10
34
The superior costotransverse lig. of the transverse process of T11 will attach to which rib?
12th rib
35
The inferior costotransverse lig. of rib 11 will attach to which segmental bony feature?
transverse process of T11
36
The inferior costotransverse lig. of the transverse process of T11 will attach to which rib?
11th rib
37
The lateral costotransverse lig. of rib 11 will attach to which segmental bony feature?
transverse process of T11
38
The lateral costotransverse lig. of the transverse process of T11 will attach to which rib?
11th rib
39
What lig. attach to the transverse process of T11?
- intertransverse lig. - superior costotransverse lig. - inferior costotransverse lig. - lateral costotransverse lig.
40
Which costotransverse lig. are absent at T11?
capsular costotransverse lig.
41
Which muscles attach to the transverse process of T11?
- longissimus thoracis - semispinalis thoracis - multifidis - rotator longus - rotator brevis - intertransversarii - levator costarum brevis
42
Which erector spinae muscle attaches to the transverse process of T11?
longissimus thoracis
43
Which erector spinae muscles will not attach to the transverse process of T11?
spinalis and iliocostalis muscles
44
Which transversospinalis muscles attach to the transverse process of T11?
- semispinalis thoracis - multifidis - rotator longus - rotator brevis
45
Which levator costarum muscle is absent at T11?
levator costarum longus
46
Which segment will be the last to demonstrate an attachment for the levator costarum longus?
T10
47
What is the orientation of the superior articular facets of T11?
backward, upward, and lateral (BUL)
48
What is the orientation of the inferior articular facets of T11?
forward, downward, and medial (ForMeD)
49
What is the curvature of the superior articular facets of T11?
slightly convex
50
What is the curvature of the inferior articular facets of T11?
slightly concave
51
How may synovial joints are typically present at T11?
6
52
Identify the synovial joint surfaces typically present on T11.
- two superior costal facets - two superior articular facets - two inferior articular facets
53
How many synovial joint surfaces for ribs are typically present on T11?
2
54
Identify the synovial joint surfaces for ribs that are typically present on T11.
two superior costal facets
55
Which rib-related facets are absent on T11?
- inferior costal demi-facets | - transverse costal facets
56
What is the orientation of the spinous process of T11?
posterior and horizontal
57
What is the length of the spinous process of T11?
it will lengthen significantly from the spinous process of T10
58
What ligaments attach to the spinous process of T11?
- interspinous lig. | - supraspinous lig.
59
What joint classification is associated with lig. attaching to the T11 spinous process?
fibrous (amphiarthrosis) syndesmosis
60
What muscles attach to the spinous process of T11?
- trapezius - latissimus dorsi - serratus posterior inferior - iliocostalis lumborum - spinalis thoracis - multifidis - rotator longus - rotator brevis - interspinalis
61
Which erector spinae muscles will attach to the spinous process of T11?
- spinalis | - iliocostalis
62
Which erector spinae muscles will not attach to the spinous process of T11?
longissimus
63
At which segments of the thoracic spine will the spinalis muscle not attach?
T9 and T10
64
Which erector spinae muscle uniquely attaches to the spinous process of T11?
iliocostalis lumborum
65
Which transversospinalis muscles attach to the spinous process of T11?
- multifidis | - rotators
66
Which of the muscles of the 5 layers of the true back are present at the T11 spinous process?
- trapezius - latissimus dorsi - serratus posterior inferior - iliocostalis lumborum - spinalis thoracis - multifidis - rotator longus - rotator brevis
67
Which of the erector spinae muscle groups is absent at the T11 spinous process?
longissimus
68
Which of the transversospinalis muscle groups is absent at the T11 spinous process?
semispinalis
69
Which of the muscle layers of the true back are represented at the T11 spinous process?
layers 1, 3, 4, and 5
70
Which of the muscle layers of the true back is absent at the T11 spinous process?
layer 2
71
Which muscles attaching to the spinous process of T11 are not included in any muscle layer of the true back?
interspinalis
72
What joint classifications are present at T11?
- fibrous (amphiarthrosis) syndesmosis - cartilaginous (amphiarthrosis) symphysis - synovial plane (diarthrosis arthrodia)
73
At what parts of T11 will the fibrous (amphiarthrosis) syndesmosis joint be observed?
- vertebral body - lamina - transverse process - spinous process
74
At what part of T11 will the cartilaginous (amphiarthrosis) symphysis joint be observed?
vertebral body
75
At what parts of T11 will the synovial plane (diarthrosis arthrodia) joint be observed?
- vertebral body | - articular process

Spinal Anatomy I - Exam 2 (28 decks)

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