VERTEBRAL COLUMN/SPINAL COLUMN - Vertebral foramen

Question 1

Identify all segmental arteries

Answer 1

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

Question 2

What are the segmental arteries of the cervical spine?

Answer 2

the vertebral artery, ascending cervical artery and deep cervical artery

Question 3

What are the segmental arteries of the thoracic spine?

Answer 3

the deep cervical artery, superior intercostal artery, posterior intercostal artery and subcostal artery

Question 4

What are the segmental arteries of the lumbar spine?

Answer 4

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

Question 5

What are the segmental arteries of the fifth lumbar vertebra?

Answer 5

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

Question 6

What are the segmental arteries of the sacrum?

Answer 6

the iliolumbar artery lateral sacral artery and median sacral artery

Question 7

What segmental levels are supllied by the vertebral artery?

Answer 7

C1-C6

Question 8

What segmental levels are supllied by the ascending cervical artery?

Answer 8

C1-C6

Question 9

What segmental levels are supllied by the deep cervical artery?

Answer 9

C7-T1

Question 10

What segmental levels are supllied by the superior intercostal artery?

Answer 10

T1, T2

Question 11

What segmental levels are supplied by the posterior intercostal artery?

Answer 11

T3-T11

Question 12

What segmental level is supplied by the subcostal artery?

Answer 12

T12

Question 13

What segmental levels are supplied by the lumbar arteries?

Answer 13

L1-L4

Question 14

What segmental levels are supplied by the median sacral artery?

Answer 14

L5, S1-S5 and coccyx

Question 15

What segmental levels are supplied by the ilolumbar artery?

Answer 15

L5, S1-S5 and coccyx

Question 16

What segmental levels are supplied by the lateral sacral artery?

Answer 16

L5, S1-S5 and coccyx

Question 17

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

Answer 17

L5

Question 18

What are the segmental areteries for L5

Answer 18

iliolumbar artery, median sacral arter, and lateral sacral artery

Question 19

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

Answer 19

dorsospinal artery

Question 20

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

Answer 20

spinal artery

Question 21

What are the branches of the spinal artery?

Answer 21

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

Question 22

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

Answer 22

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

Question 23

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

Answer 23

posterior spinal canal artery and plexus

Question 24

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

Answer 24

anterior spinal canal artery and plexus

Question 25

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

Answer 25

anterior radicular artery, posterior radicular artery, anterior medullary feeder artery, posterior medullary feeder artery

Question 26

Which vessel supply the ventral/anterior nerve rootlet and nerve root?

Answer 26

anterior radicular artery

Question 27

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

Answer 27

posterior radicular artery

Question 28

What is the name given to the artery that leis in front of the spinal cord along its length?

Answer 28

anterior spinal artery

Question 29

The anterior spinal artery is a branch of which artery?

Answer 29

the vertebral artery

Question 30

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

Answer 30

no

Question 31

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?

Answer 31

anterior medullary feeder arteries

Question 32

The posterior spinal artery is a branch of which artery?

Answer 32

the posterior inferior cerebellar artery

Question 33

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

Answer 33

it lies in the posterolateral sulcus along the spinal cord

Question 34

Is the posterior spinal artery a single, continuous artery along the spinal cord?

Answer 34

no

Question 35

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?

Answer 35

posterior medullary feeder arteries

Question 36

What forms the arterial vasa corona above C3?

Answer 36

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

Question 37

What forms the arterial vasa corona below C6?

Answer 37

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

Question 38

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

Answer 38

intramedullary arteries

Question 39

What are the intramedullary branches of the arterial vasa corona?

Answer 39

pial perforating arteries and central/ventral/sulcal perforating arteries

Question 40

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

Answer 40

the anterior spinal artery

Question 41

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

Answer 41

ventral/central/sulcal perforating arteries

Question 42

What intramedullary branches supply about one third of the spinal cord?

Answer 42

pial perforating arteries

Question 43

What is the source for pial perforating arteries?

Answer 43

the pial plexus

Question 44

What arteries form the pial plexus?

Answer 44

the posterior spinal arteries and the communicating arteries

Question 45

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

Answer 45

anterior medullary feeders and posterior medullary feeders

Question 46

What vessels drain the spinal cord?

Answer 46

pial veins

Question 47

What will pial veins drain into?

Answer 47

venous vasa corona

Question 48

Which vessels form the venous vasa corona?

Answer 48

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

Question 49

Which vessels will drain the venous vasa corona?

Answer 49

anterior medullary veins, posterior medullary veins

Question 50

Which vessels will drain the ventral/anterior nerve roots?

Answer 50

anterior radicular veins

Question 51

Which vessels will drain the dorsal/posterior nerve roots?

Answer 51

posterior radicular veins

Question 52

What veins will lie in the subarachnoid space?

Answer 52

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

Question 53

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

Answer 53

anterior internal vertebral venous plexus, basivertebral vein

Question 54

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

Answer 54

posterior internal vertebral venous plexus

Question 55

Which of the contents of the epidural space are more liekly located near or around the posterior longitudinal ligament?

Answer 55

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

Question 56

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

Answer 56

serous fluid

Question 57

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

Answer 57

cerebrospinal fluid

Question 58

What ligaments may be present in the subarachnoid space?

Answer 58

dentate/denticulate ligament

Question 59

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

Answer 59

dentate (denticulate) ligament

Question 60

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

Answer 60

they lack the bicuspid valve of typical veins