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

vertebral foramen part 4 ex. 1 QQ Flashcards

1
Q

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

A

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

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2
Q

what vertebral level will the spinal cord typically terminate?

A

L1

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3
Q

what vertebral level will the dural sac typically terminate?

A

S2

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4
Q

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

A

iliolumbar and lateral sacral arteries

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5
Q

identify all the segmental arteries (10)

A 
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
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6
Q

what are the segmental arteries of the cervical spine?

A

vertebral artery
ascending cervical artery
deep cervical artery

VAD

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7
Q

what are the segmental arteries of the thoracic spine?

A

deep cervical
superior intercostal
posterior intercostal
subcostal

DSPS

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8
Q

what are the segmental arteries of the lumbar spine?

A

Median Sacral
Iliolumbar
Lateral Sacral
Lumbar

MILL

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9
Q

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

A

iliolumbar
lateral sacral
median sacral

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10
Q

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

A

L5

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11
Q

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

A

dorsospinal artery

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12
Q

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

A

spinal artery

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13
Q

what are the branches of the spinal artery?

A 
Osseous 
Anterior Spinal Canal 
Posterior Spinal Canal
Anterior Medullary Feeder
Posterior Medullary Feeder
Anterior Radicular
Posterior Radicular
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14
Q

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

A

osseous
anterior spinal canal
posterior spinal canal

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15
Q

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

A

anterior spinal canal artery and plexus

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16
Q

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

A

posterior spinal canal artery and plexus

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17
Q

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

A

anterior radicular
posterior radicular
anterior medullary feeder
posterior medullary feeder

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18
Q

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

A

anterior radicular artery

19
Q

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

A

posterior radicular artery

20
Q

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

A

radicular artery

21
Q

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

A

9 anterior and 12 posterior medullary feeder

22
Q

the anterior spinal artery is a branch of which artery?

A

vertebral artery

23
Q

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

A

no

24
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

25
Q

the posterior spinal artery is a branch of which artery?

A

posterior inferior cerebellar artery

26
Q

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

A

it lies in the posterolateral sulcus along the spinal cord

27
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

28
Q

what forms the arterial vasa corona above C3?

A

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

29
Q

what forms the arterial vasa corona below C6?

A

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

30
Q

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

A

intramedullary arteries

31
Q

what are the intramedullary branches of the arterial vasa corona?

A

pial perforating arteries and central/sulcal perforating arteries

32
Q

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

A

anterior spinal artery

33
Q

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

A

anterior medullary feeder

posterior medullary feeder

34
Q

what vessels drain the spinal cord?

A

pial veins

35
Q

what will pial veins drain into?

A

venous vasa corona

36
Q

which vessels form the venous vasa corona?

A

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

37
Q

which vessels will drain the venous vasa corona?

A

anterior medullary

posterior medullary

38
Q

which vessels will drain the ventral/anterior nerve roots?

A

anterior radicular

39
Q

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

A

posterior radicular

40
Q

what 9 veins will lie in the subarachnoid space?

A 
Pial 
Venous vasa corona
Communicating
Anterior longitudinal
Posterior longitudinal
Anterior medullary
Posterior medullary
Anterior radicular
Posterior radicular
41
Q

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

A

anterior internal vertebral venous plexus

basivertebral

42
Q

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

A

posterior internal vertebral venous plexus

43
Q

what venous vessels are identified in the intervertebral foramen?

A

intervertebral veins

Spinal Anatomy Palmer (15 decks)

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