Vertebral Foramen Flashcards

1
Q

What is the typical outline/shape of the vertebral foramen at each region of the spinal column/vertebral column

A

Cervical-triangular
Thoracic-oval
Lumbar-triangular
Sacrum-triangular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

At what vertebral level will the spinal cord typically terminate

A

L1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

At what vertebral level will the dural sac typically terminate

A

S2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the segmental arteries

A

the arteries whose branches supply the vertebra segment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the segmental arteries of the cervical spine

A

Vertebral artery, ascending cervical artery, and the deep cervical artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the segmental arteries of the thoracic spine

A

the deep cervical artery, the superior (highest) costal artery the posterior costal artery and the subcostal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the segmental arteries of the lumbar spine

A

the lumbar arteries, iliolumbar arteries, the median (middle sacral) and the lateral sacral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What segmental levels are supplied by the vertebral artery

A

C1-C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Wha segmental levels are supplied by the ascending cervical artery

A

C1-C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What segmental levels are supplied by the deep cervical artery

A

C7-T1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

T1, T2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What segmental levels are supplied by the posterior intercostal artery

A

T3-T11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What segmental levels are supplied by the subcostal artery

A

T12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What segmental levels are supplied by the lumbar arteries

A

L1-L4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What segmental levels are supplied by the Median (middle) sacral arteries

A

L5, S1-S5 and coccyx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What segmental levels are supplied by the iliolumbar arteries

A

L5, S1-S5 and coccyx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A

osseous arteries, anterior canal artery, posterior spinal canal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What arteries are observed in the epidural space near the posterior longitudinal ligament

A

anterior spinal canal artery and plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what arteries are observed in the epidural space near the ligamentum flavum

A

Posterior spinal canal artery and plexus

21
Q

Which branches of the spinal artery supply the contents of the subarachnoid space

A

anterior radicular artery, posterior radicular artery, anterior medullary feeder artery, posterior medullary feeder artery

22
Q

Which vessel will supply the ventral/anterior nerve rootlet and nerve root ganglion

A

anterior radicular artery

23
Q

Which vessel will supply the posterior/dorsal nerve rootlet, nerve root and nerve ganglion

A

posterior radicular artery

24
Q

What is the name given to the artery that lies in front of the spinal cord along its length

A

anterior spinal artery

25
Q

The anterior spinal artery is a branch of which artery

A

the vertebral artery

26
Q

is the anterior spinal artery a, single continuous artery along the spinal cord

A

no

27
Q

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

A

Anterior medullary feeder arteries

28
Q

The posterior spinal artery is a branch of which artery

A

posterior inferior cerebellar artery

29
Q

What is the position of the posterior spinal artery relative to the spinal cord

A

it lies in the posteriolateral sulcus along the spinal cord

30
Q

is the posterior spinal artery a single continuous artery along the spinal cord

A

no

31
Q

As the posterior spinal artery continues along the spinal cord, which arteries unite along its length to give the appearance of a single continuous vessel

A

posterior medullary feeder arteries

32
Q

What changes to the arterial vasa corona occur between C3 and C6

A

right and left anterior spinal arteries fuse to become a single median anterior spinal artery, the right and left posterior spinal arteries are unchanged and the 4 communicating arteries are reduced to 3 communicating arteries

33
Q

What arterial vasa corona branches supply gray matter and most of the spinal cord

A

ventral perforating arteries (central/sulcal)

34
Q

What intramedullary branches supply about one third of the spinal cord

A

pial perforating arteries

35
Q

What is the primary artery supplementing the arterial vasa corona

A

anterior medullary feeder arteries and posterior medullary feeder arteries

36
Q

What vessels drain the spinal cord

A

pial veins

37
Q

Which vessels will drain the venous vasa corona

A

anterior medullary veins, posterior medullary veins

38
Q

which vessels will drain the ventral/anterior nerve roots

A

anterior radicular veins

39
Q

which vessels will drain the dorsal/posterior nerve roots

A

posterior radicular veins

40
Q

what vessel will drain the dorsal/ posterior nerve root ganglion

A

posterior radicular veins

41
Q

What veins will lie in the subarachnoid space

A

pial veins, venous vasa corona, anterior longitudinal veins, posterior longitudinal veins, communicating veins, anterior medullary feeder veins, posterior medullary feeder veins, anterior radicular veins posterior radicular veins

42
Q

What veins are observed in the epidural space near the posterior longitudinal ligament

A

anterior internal vertebral venous plexus, basivertebral vein

43
Q

What veins are observed in the epidural space near the ligamentum flavum

A

posterior internal vertebral venous plexus

44
Q

What venous vessels are identified in the intervertebral foramen

A

intervertebral veins

45
Q

Identify the meninges of the spinal cord and the commonly accepted meaning of each

A

dura mater-tough mother
arachnoid mater-spider mother
pia mater-tender or delicate mother

46
Q

name and locate each space formed between the osseous vertebral foramen and the spinal cord

A

epidural space-between vertebral foramen and dura mater
subdural space-between dura mater and arachnoid mater
subarachnoid space-between arachnoid mater and pia mater

47
Q

What is the name given to the fluid within the epidural space

A

interstitial fluid

48
Q

What is the name given to the lateral extension of pia mater along the spinal cord

A

dentate (denticulate) ligaments

49
Q

What is the unique feature of veins along the spinal canal

A

they lack the bicuspid valve of typical veins