Exam 1 - Vertebral Foramen Flashcards Preview

Spinal Anatomy > Exam 1 - Vertebral Foramen > Flashcards

Flashcards in Exam 1 - Vertebral Foramen Deck (72):
1

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

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

the iliolumbar
and lateral sacral arteries

5

Identify all segmental arteries

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

6

What are the segmental arteries of the cervical spine?

the vertebral artery
ascending cervical artery
deep cervical artery

7

What are the segmental arteries of the thoracic spine?

the deep cervical artery
superior (highest) intercostal artery
posterior intercostal artery
subcostal artery

8

What are the segmental arteries of the lumbar spine?

the lumbar arteries
iliolumbar artery
lateral sacral artery
median (middle) sacral artery

9

What are the segmental arteries of the fifth lumbar vertebra?

the iliolumbar artery
lateral sacral artery
median (middle) sacral artery

10

What are the segmental arteries of the sacrum?

the iliolumbar artery
lateral sacral artery
median (middle) sacral artery

11

What segmental levels are supplied by the vertebral artery?

C1 - C6

12

What segmental levels are supplied by the ascending cervical artery?

C1 intercostal artery?-C6

13

What segmental levels are supplied by the deep cervical artery?

C7-T1

14

What segmental levels are supplied by the superior (highest)

T1 and T2

15

What segmental levels are supplied by the posterior intercostal artery?

T3-T11

16

What segmental level(s) is/are supplied by the subcostal artery?

T12

17

What segmental levels are supplied by the lumbar arteries?

L1 - L4

18

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

L5
S1 - S5
coccyx

19

What segmental levels are supplied by the iliolumbar artery?

L5
S1 - S5
coccyx

20

What segmental levels are supplied by the lateral sacral artery?

L5
S1-S5
coccyx

21

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

L5

22

What are the segmental arteries for L5?

iliolumbar artery
median (middle) sacral artery
lateral sacral artery

23

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

dorsospinal artery

24

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

spinal artery

25

What are the branches of the spinal artery?

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

26

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

osseous arteries
anterior spinal canal artery
posterior spinal canal artery

27

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

anterior spinal canal artery AND plexus

28

What areteries are observed in the epidural space near the ligamentum flavum?

posterior spinal canal artery AND plexus

29

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

30

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

anterior radicular artery

31

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

posterior radicular artery

32

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

the radicular artery

33

What is the location and number of medullary feeder arteries present in the adult?

9 anterior
12 posterior medullary feeder arteries

34

The anterior spinal artery is a branch of which artery along the spinal cord?

NO

35

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

36

The posterior spinal artery is a branch of which artery?

the posterior inferior cerebellar artery

37

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

it lies in the posterolateral sulcus along the spinal cord

38

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

39

What forms the arterial casa corona above C3?

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

40

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

intramedullary arteries

41

What are the intramedullary branches of the arterial vasa corona?

pial perforating arteries
central / ventral / sulcal perforating arteries

42

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

the anterior spinal artery

43

What arteries are responsible for supplementing the arterial vasa corona?

Anterior medullary feeders
posterior medullary feeders

44

What vessels drain the spinal cords?

pial veins

45

What will pial veins drain into?

venous vasa corona

46

Which vessels form the venous vasa corona?

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

47

Which vessels will drain the venous vasa corona?

anterior medullary veins
posterior medullary veins

48

Which vessels wil drain the ventral / anterior nerve roots?

anterior radicular veins

49

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

posterior radicular veins

50

What veins will lie in the subarachnoid space?

pial veins
venous vasa corona
anterior longitudinal veins
posterior longitudinal veins
anterior medullary veins
posterior medullary veins
anterior radicular veins
posterior radicular veins

51

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

Anterior internal vertebral venous plexus
basivertebral vein

52

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

posterior internal vertebral venous plexus

53

what venous vessels are identified in the intervertebral foramen?

intervertebral veins

54

Idenify the meninges of the spinal cord (spinal medulla or medulla spinalis) and the commonly accepted meaning of each.

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

55

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

interstitial fluid

56

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

57

What are the neural contents of the epidural space?

recurrent meningeal / sinu-vertebral / sinus vertebral nerve

58

What ligaments are associated with epidural space?

Hofmann / anterior dural / meningovertebral ligaments
ligamentum flavum
posterior longitudinal ligament

59

Which of the blood vessels of the epidural space will be found near the vertebral artery?

anterior spinal canal artery and plexus
anterior internal vertebral venous plexus
basivertebral vein

60

Which of the nerves of the epidural space will be found near the vertebral body?

recurrent meningeal / sinu-vertebral / sinus vertebral nerve

61

Which of the ligaments of the epidural space will be found near the vertebral body?

posterior longitudinal ligament
HOfmann / anterior dural / meningovertebral ligaments

62

Which of the blood vessels of the epidural space will be found near the lamina?

posterior spinal canal artery and plexus
posterior internal vertebral venous plexus

63

Which of the nerves of the epidural space will be found near the lamina?

recurrent meningeal / sinu-vertebral
sinus vertebral nerve

64

Which of the ligaments of the epidural space will be found near the lamina?

ligamentum flavum
Hofmann / anterior dural / meningovertebral ligaments

65

WHich meningeal space is now thought to be a potential space, not an actual space?

subdural space - between the dura mater and the arachnoid mater

66

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 nerve
Hofmann / anterior dural / meningovertebral ligaments

67

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 ligaments

68

What is the name given to the fluid present within the subdural space?

serous fluid

69

What is the name given to the fluid with the subarchnoid space?

cerebrospinal fluid

70

What ligaments may be present in the subarachnoid space?

dentate / denticulate ligament

71

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

dentate / denticulate ligament

72

What is the unique feature of veins along the spinal canal?

they lack the bicuspid valve of typical veins