Vertebral Foramen Flashcards Preview

Spinal Exam One > Vertebral Foramen > Flashcards

Flashcards in Vertebral Foramen Deck (49):
1

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

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

2

At what vertebral level will the spinal cord typically terminate

L1

3

At what vertebral level will the dural sac typically terminate

S2

4

What are the segmental arteries

the arteries whose branches supply the vertebra segment

5

Identify all segmental arteries

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

6

What are the segmental arteries of the cervical spine

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

7

What are the segmental arteries of the thoracic spine

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

8

What are the segmental arteries of the lumbar spine

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

9

What segmental levels are supplied by the vertebral artery

C1-C6

10

Wha segmental levels are supplied by the ascending cervical artery

C1-C6

11

What segmental levels are supplied by the deep cervical artery

C7-T1

12

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

T1, T2

13

What segmental levels are supplied by the posterior intercostal artery

T3-T11

14

What segmental levels are supplied by the subcostal artery

T12

15

What segmental levels are supplied by the lumbar arteries

L1-L4

16

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

L5, S1-S5 and coccyx

17

What segmental levels are supplied by the iliolumbar arteries

L5, S1-S5 and coccyx

18

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

osseous arteries, anterior canal artery, posterior spinal canal artery

19

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

anterior spinal canal artery and plexus

20

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

Posterior spinal canal artery and plexus

21

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

22

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

anterior radicular artery

23

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

posterior radicular artery

24

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

anterior spinal artery

25

The anterior spinal artery is a branch of which artery

the vertebral artery

26

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

no

27

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

28

The posterior spinal artery is a branch of which artery

posterior inferior cerebellar artery

29

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

it lies in the posteriolateral sulcus along the spinal cord

30

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

no

31

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

posterior medullary feeder arteries

32

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

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

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

ventral perforating arteries (central/sulcal)

34

What intramedullary branches supply about one third of the spinal cord

pial perforating arteries

35

What is the primary artery supplementing the arterial vasa corona

anterior medullary feeder arteries and posterior medullary feeder arteries

36

What vessels drain the spinal cord

pial veins

37

Which vessels will drain the venous vasa corona

anterior medullary veins, posterior medullary veins

38

which vessels will drain the ventral/anterior nerve roots

anterior radicular veins

39

which vessels will drain the dorsal/posterior nerve roots

posterior radicular veins

40

what vessel will drain the dorsal/ posterior nerve root ganglion

posterior radicular veins

41

What veins will lie in the subarachnoid space

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

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

anterior internal vertebral venous plexus, basivertebral vein

43

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

posterior internal vertebral venous plexus

44

What venous vessels are identified in the intervertebral foramen

intervertebral veins

45

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

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

46

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

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

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

interstitial fluid

48

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

dentate (denticulate) ligaments

49

What is the unique feature of veins along the spinal canal

they lack the bicuspid valve of typical veins