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Spinal Anatomy Primary > Vertebral foramen > Flashcards

Vertebral foramen Flashcards

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1
Q

Identify all segmental arteries

A

vertebral, ascending cervical, deep cervical, superior (highest) intercostal, posterior intercostal, subcostal, lumbar, iliolumbar, lateral sacral and median (middle) sacral

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2
Q

what are the segmental arteries of the cervical spine?

A

vertebral artery, ascending cervical artery and deep cervical artery

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3
Q

What are the segmental arteries of the thoracic spine?

A

the deep cervical artery, superior intercostal artery, posterior intercostal artery and subcostal artery

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4
Q

What are the segmental arteries of the lumbar spine?

A

lumber arteries, iliolumbar artery, lateral sacral artery and median sacral artery

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5
Q

what are the segmental arteries of the fifth lumbar vertebra?

A

iliolumbar artery, lateral sacral artery and median sacral artery

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6
Q

What are they segmental arteries of the sacrum?

A

iliolumbar artery, lateral sacral artery and median sacral artery

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7
Q

What segmental levels are supplied by the vertebral artery?

A

C1-C6

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8
Q

What segmental levels are supplied by the ascending cervical artery?

A

C1-C6

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9
Q

What segmental levels are supplied by the deep cervical artery?

A

C7-T1

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10
Q

What segmental levels are supplied by the superior (highest) intercostal artery?

A

T1, T2

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11
Q

What segmental levels are supplied by the posterior intercostal artery?

A

T3-T11

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12
Q

what segmental level is supplied by the subcostal artery?

A

T12

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13
Q

What segmental levels are supplied by the lumbar artery?

A

L1-L4

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14
Q

What segmental levels are supplied by the median (middle) sacral artery?

A

L5, S1-S5, and coccyx

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15
Q

What segmental levels are supplied by the iliolumbar artery?

A

L5, S1-S5 and coccyx

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16
Q

What segmental levels are supplied by the lateral sacral artery?

A

L5, S1-S5 and coccyx

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17
Q

Which vertebrae has the greatest number of segmental arteries associated with it?

A

L5

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18
Q

What are the segmental arteries for L5?

A

iliolumbar artery, median sacral artery and lateral sacral artery

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19
Q

What branch of the segmental artery supplies the vertebra and the paravertebral region?

A

dorsospinal artery

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20
Q

Which artery is primarily observed in the distal part of the intervertebral foramen?

A

spinal artery

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21
Q

What are the branches of the spinal artery?

A

osseous arteries, anterior spinal canal artery, posterior spinal canal artery, anterior medullary feeder artery, posterior medullary feeder artery, anterior radicular artery, posterior radicular artery

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22
Q

Which branches of the spinal artery supply the contents of the epidural space?

A

osseous arteries, anterior spinal canal artery, posterior spinal canal artery

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23
Q

what arteries are observed in the epidural space near the posterior longitudinal ligament?

A

anterior spinal canal artery and plexus

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24
Q

What arteries are observed near the ligamentum flavum?

A

Posterior spinal artery and plexus

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25
Which branches of the spinal artery supply the contents of the subarachnoid space?
anterior radicular artery, posterior radicular artery, anterior medullary feeder artery, posterior medullary feeder artery
26
Which vessel will supply the ventral/anterior nerve rootlet and nerve root?
anterior radicular artery
27
Which vessel will supply the dorsal/posterior nerve rootlets, nerve root and nerve root ganglion?
posterior radicular artery
28
What is the name given to the artery that lies in front of the spinal cord along its length?
anterior spinal artery
29
The anterior spinal artery is a branch of which artery?
the vertebral artery
30
Is the anterior spinal artery a single, continuous artery along the spinal cord?
NO
31
As the anterior spinal artery continues along the spinal cord, which arteries unite along its length to give the appearance of a single continuous vessel?
anterior medullary feeder arteries
32
The posterior spinal artery is a branch of which artery?
the posterior inferior cerebellar artery
33
What is the position of the posterior spinal artery relative to the spinal cord?
lies in the posterolateral sulcus along the spinal cord
34
is the posterior spinal artery a single, continuous artery along the spinal cord?
no
35
as the posterior spinal artery along the spinal cord, which arteries unite along its length to give the appearance of a single continuous artery?
posterior medullary feeder arteries
36
What forms the arterial vasa corona above C3?
right and left anterior spinal arteries, right and left posterior spinal arteries, and 4 communicating arteries
37
What forms the arterial vasa corona below C6?
a median anterior spinal artery, right and left posterior spinal arteries, and 3 communicating arteries
38
What is the generic name given to arteries that penetrate the spinal cord?
intramedullary arteries
39
What are the intramedullary branches of the arterial vasa corona?
pial perforating arteries and central/ ventral/ sulcal perforating arteries
40
What artery gives off the ventral/central/sulcal perforating arteries?
the anterior spinal artery
41
What arterial vasa corona branches supply gray matter and most of the spinal cord?
ventral/central/sulcal perforating arteries
42
What intramedullary branches supply about one third of the spinal cord
pial perforating arteries
43
What is the source for pial perforating arteries?
pial plexus
44
What arteries form the pial plexus?
posterior spinal arteries and the communicating arteries
45
What arteries are responsible for supplementing the arterial vasa corona along the cord?
anterior medullary feeders and posterior medullary feeders
46
What vessels drain the spinal cord?
pial veins
47
What will pial veins drain into?
venous vasa corona
48
Which vessels form the venous vasa corona?
right and left anterior longitudinal veins, right and left posterior longitudinal veins, and 4 communicating veins
49
Which vessels will drain the venous vasa corona?
anterior medullary veins, posterior medullary veins
50
Which vessels will drain the ventral/anterior nerve roots?
anterior radicular veins
51
which vessels will drain the dorsal/posterior nerve roots?
posterior radicular veins
52
What vessel will drain the the dorsal/posterior nerve root ganglion?
posterior radicular vein
53
What veins will lie in the subarachnoid space?
pial veins, venous vasa corona, anterior longitudinal veins, posterior longitudinal veins, communicating veins, anterior medullary veins, posterior medullary veins, anterior radicular veins, posterior radicular veins
54
What veins are observed in the epidural space near the posterior longitudinal ligament?
anterior internal vertebral venous plexus, basivertebral vein
55
what veins are observed in the epidural space near the ligamentum flavum?
posterior internal vertebral venous plexus
56
what venous vessels are identified in the intervertebral foramen?
intervertebral veins
57
What is the name given to the fluid in the epidural space
interstitial fluid
58
What are the vascular contents of the epidural space?
- anterior and posterior spinal canal artery and plexus - anterior and posterior internal vertebral venous plexus - basivertebral vein
59
what are the neural contents of the epidural space?
recurrent meningeal/sinu-vertebral/sinus vertebral nerve
60
Which of the contents of the epidural space are more likely located near or around the posterior longitudinal ligament?
- anterior spinal canal artery and plexus - anterior internal vertebral venous plexus - basivertebral vein - recurrent meningeal/sinu-vertebral/sinus vertebral vein - Hofmann/anterior dural/meningovertebral ligament
61
Which of the contents of the epidural space will be found near the lamina?
- posterior spinal canal artery and plexus - posterior internal vertebral venous plexus - ligamentum flavum - recurrent meningeal/sinu-vertebral/sinus vertebral nerve - Hofmann/anterior dural/meningovertebral ligament
62
What is the name given to the fluid present within the subdural space?
serous fluid
63
what is the name given to the fluid within the subarachnoid space?
cerebrospinal fluid
64
What ligaments may be present in the subarachnoid space?
dentate/denticulate ligament
65
What is the name given to the lateral extension of pia mater along the spinal cord?
dentate (denticulate ligament)
66
what is the unique feature of veins along the spinal canal?
lack bicuspid valves of typical veins

Spinal Anatomy Primary (13 decks)

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