vertebral foramen part 4 ex. 1 QQ Flashcards Preview

Spinal Anatomy Palmer > vertebral foramen part 4 ex. 1 QQ > Flashcards

Flashcards in vertebral foramen part 4 ex. 1 QQ Deck (43):
1

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

cervical- triangle
thoracic- oval
lumbar- triangle
sacrum- triangle

2

what vertebral level will the spinal cord typically terminate?

L1

3

what vertebral level will the dural sac typically terminate?

S2

4

which of the segmental arteries will arise from the internal iliac artery?

iliolumbar and lateral sacral arteries

5

identify all the segmental arteries (10)

Vertebral- C
Ascending Cervical- C
Deep Cervical- C,T
Posterior Intercostal-T
Superior Intercostal- T
Subcostal- T
Median Sacral-L
Iliolumbar-L
Lateral Sacral-L
Lumbar-L

6

what are the segmental arteries of the cervical spine?

vertebral artery
ascending cervical artery
deep cervical artery

VAD

7

what are the segmental arteries of the thoracic spine?

deep cervical
superior intercostal
posterior intercostal
subcostal

DSPS

8

what are the segmental arteries of the lumbar spine?

Median Sacral
Iliolumbar
Lateral Sacral
Lumbar

MILL

9

what are the segmental arteries of the 5th lumbar vertebra and the sacrum?

iliolumbar
lateral sacral
median sacral

10

which vertebra has the greatest number of segmental arteries associated with it?

L5

11

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

dorsospinal artery

12

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

spinal artery

13

what are the branches of the spinal artery?

Osseous
Anterior Spinal Canal
Posterior Spinal Canal
Anterior Medullary Feeder
Posterior Medullary Feeder
Anterior Radicular
Posterior Radicular

14

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

osseous
anterior spinal canal
posterior spinal canal

15

what arteries are observed in the epidural space near the PLL?

anterior spinal canal artery and plexus

16

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

posterior spinal canal artery and plexus

17

which branches of the spinal artery supply the contents of the subarachnoid space?

anterior radicular
posterior radicular
anterior medullary feeder
posterior medullary feeder

18

which vessel will supply the ventral/anterior nerve rootlet and nerve root?

anterior radicular artery

19

which vessel will supply the dorsal/posterior nerve rootlets, nerve root and nerve root ganglion?

posterior radicular artery

20

which artery is now said to enlarge and form the medullary feeder artery?

radicular artery

21

what is the location and number of medullary feeder arteries present in adults?

9 anterior and 12 posterior medullary feeder

22

the anterior spinal artery is a branch of which artery?

vertebral artery

23

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

no

24

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

25

the posterior spinal artery is a branch of which artery?

posterior inferior cerebellar artery

26

what is the position of the posterior spinal artery relative to the spinal cord?

it lies in the posterolateral sulcus along the spinal cord

27

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

28

what forms the arterial vasa corona above C3?

right and left anterior spinal arteries
right and left posterior spinal arteries
4 communicating arteries

29

what forms the arterial vasa corona below C6?

a median anterior spinal artery
right and left posterior spinal arteries
3 communicating arteries

30

what is the generic name given to arteries that penetrate the spinal cord?

intramedullary arteries

31

what are the intramedullary branches of the arterial vasa corona?

pial perforating arteries and central/sulcal perforating arteries

32

what artery gives off the ventral/central/sulcal perforating arteries?

anterior spinal artery

33

what arteries are responsible for supplementing the arterial vasa corona along the cord?

anterior medullary feeder
posterior medullary feeder

34

what vessels drain the spinal cord?

pial veins

35

what will pial veins drain into?

venous vasa corona

36

which vessels form the venous vasa corona?

right and left anterior longitudinal
right and left posterior longitudinal
4 communicating

37

which vessels will drain the venous vasa corona?

anterior medullary
posterior medullary

38

which vessels will drain the ventral/anterior nerve roots?

anterior radicular

39

which vessel will drain the dorsal/posterior nerve root ganglion?

posterior radicular

40

what 9 veins will lie in the subarachnoid space?

Pial
Venous vasa corona
Communicating
Anterior longitudinal
Posterior longitudinal
Anterior medullary
Posterior medullary
Anterior radicular
Posterior radicular

41

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

anterior internal vertebral venous plexus
basivertebral

42

what veins are observed in the epidural space near the ligamentum flavum?

posterior internal vertebral venous plexus

43

what venous vessels are identified in the intervertebral foramen?

intervertebral veins