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