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Spinal Other Categories > Vertebral Foramen > Flashcards

Vertebral Foramen Flashcards

1
Q

what name is given to the opening located within the vertebral body- vertebral arch enclosure

A

the vertebral foramen

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2
Q

what is the name given to the union of all vertebral foramina into an apparent vertical cylinder

A

the vertebral canal or spinal canal

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3
Q

what neural structures will occupy the vertebral foramen until the level of L2

A

the spinal cord/ spinal medulla/ medulla spinalis, the proximal part of the peripheral nerve system, and the meninges

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4
Q

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

A

cervical- triangular
thoracic- oval
lumbar- triangular
sacrum- triangular

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5
Q

identify the meninges of the spinal cord/ spinal medulla/ medulla spinalis

A

dura mater, arachnoid mater, pia mater

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6
Q

identify the meninges of the spinal cord/ spinal medulla/ medulla spinalis and the commonly accepted meaning of each

A

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

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7
Q

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

A

epidural space- between the vertebral foramen and the dura mater
subdural space- between the dura mater and the arachnoid mater
subarachnoid space- between the arachnoid mater and the pia mater

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8
Q

what are the contents of the epidural space

A

anterior and posterior spinal canal artery & plexus
anterior and posterior internal vertebral venous plexus
basivertebral vein
recurrent meningeal/ sinu-vertebral/ sinus vertebral nerve
Hoffmann ligaments
ligamentum flavum
posterior longitudinal ligament

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9
Q

which of the contents of the epidural space will be found near the vertebral body

A

anterior spinal canal artery & plexus
anterior internal vertebral venous plexus
basivertebral vein
recurrent meningeal/ sinu- vertebral, sinus vertebral nerve
posterior longitudinal ligament
Hoffmann ligaments

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10
Q

which of the contents of the epidural space are more likely located near or around the posterior longitudinal ligament

A

anterior spinal canal artery & plexus
anterior internal vertebral venous plexus
basivertebral vein
recurrent meningeal/ sinu-vertebral/ sinus vertebral nerve
Hoffmann ligaments

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11
Q

which of the contents of the epidural space will be found near the back of the vertebral arch

A

posterior spinal canal artery & plexus
posterior internal vertebral venous plexus
ligamenum flavum

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12
Q

what is the name given to the fluid within the subdural space

A

serous fluid

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13
Q

what is the name given to the fluid with the subarachnoid space

A

cerebrospinal fluid

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14
Q

what are the typical contents of the subarachnoid space down to the level C3

A 
2 anterior spinal arteries
2 posterior spinal arteries
4 communicating arteries
arterial vasa corona
pial perforating arteries
central/ventral/sulcal perforating arteries
anterior/posterior proximal radicular arteries
anterior/posterior distal radicular arteries
anterior/posterior medullary feeder arteries
anterior/posterior longitudinal veins
communicating veins
venous vasa corona
pial veins
anterior/ posterior radicular veins
anterior/posterior medullary veins
intervertebral veins
dentate/ denticulate ligament
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15
Q

what contents of the subarachnoid space are changed below the level C6

A

the arterial vasa corona consists of 1 anterior spinal artery, 2 posterior spinal arteries and 3 communicating arteries

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16
Q

what branch of the segmental artery supplies and paravertebral region

A

dorsospinal artery

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17
Q

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

A

spinal artery

18
Q

what are the branches of the spinal artery

A

osseous arteries, anterior spinal canal artery, posterior spinal canal artery, anterior medullary feeder arteries, posterior medullary feeder arteries, neural artery

19
Q

which branches of the spinal artery are typically given off in the epidural space

A

osseous arteries, anterior spinal canal artery, posterior spinal canal artery

20
Q

what forms the arterial vasa corona above C3

A

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

21
Q

what forms the arterial vasa corona below C6

A

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

22
Q

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

A

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

23
Q

which vessel will supply the ventral/ anterior nerve rootlet

A

anterior proximal radicular artery

24
Q

which vessel will supply the majority of the ventral/ anterior nerve root

A

anterior distal radicular artery

25
Q

which vessel will supply the dorsal/ posterior nerve rootlets

A

posterior proximal radicular artery

26
Q

which vessel will supply the dorsal/ posterior nerve root ganglion

A

posterior distal radicular artery

27
Q

which vessel will supply the mixed spinal nerve

A

neural artery

28
Q

what are the branches of the neural artery

A

anterior distal radicular artery, posterior distal radicular artery

29
Q

what are the branches of the arterial vasa corona

A

pial perforating arteries, central/ventral/sulcal perforating arteries, anterior proximal radicular arteries, posterior proximal radicular arteries

30
Q

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

A

ventral/ central/ sulcal perforating arteries

31
Q

what arterial vasa corona branches supply about one third of the spinal cord

A

pial perforating arteries

32
Q

what is the primary artery supplementing the arterial vasa corona

A

anterior medullary feeders and posterior medullary feeders

33
Q

what vessels drain the spinal cord

A

pial veins

34
Q

what will pial veins drain into

A

venous vasa corona

35
Q

which vessels form the venous vasa corona

A

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

36
Q

which vessels will drain the venous vasa corona

A

anterior medullary veins, posterior medullary veins

37
Q

which vessels will drain the ventral/ anterior nerve roots

A

anterior radicular veins

38
Q

which vessels will drain the dorsal/ posterior nerve roots

A

posterior radicular veins

39
Q

what vessel will drain the dorsal/ posterior nerve root ganglion

A

posterior radicular veins

40
Q

what venous vessels are identified in the intervertebral foramen

A

intervertebral veins

41
Q

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

A

anterior internal vertebral venous plexus, basivertebral vein

42
Q

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

A

posterior internal vertebral venous plexus

Spinal Other Categories (12 decks)

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