Day 11

Question 0

At what vertebral level will the dural sac typically terminate?

Answer 0

S2

Question 1

At what vertebral level will the spinal cord typically terminate?

Answer 1

L1

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 (highest) 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 sacrum?

Answer 5

lateral sacral artery and median (middle) sacral artery

Question 6

Which branch of the dorsospinal artery will penetrate the meninges to enter subarachnoid space?

Answer 6

spinal artery

Question 7

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

Answer 7

anterior spinal canal artery & plexus

Question 8

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

Answer 8

posterior spinal canal artery & plexus

Question 9

Which vessel will supple the ventral/anterior nerve rootlet and nerve root?

Answer 9

anterior radicular artery

Question 10

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

Answer 10

posterior radicular artery

Question 11

The anterior spinal artery is a branch of which artery?

Answer 11

the vertebral artery

Question 12

The posterior spinal artery is a branch of which artery?

Answer 12

the posterior inferior cerebellar artery

Question 13

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

Answer 13

it lies in the posterolateral sulcus along the spinal cord

Question 14

What forms the arterial vasa corona below C6?

Answer 14

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

Question 15

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

Answer 15

intramedullary arteries

Question 16

What are the intramedullary branches of the arterial vasa corona?

Answer 16

pial perforating arteries, central/ventral/sulcual perforating arteries

Question 17

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

Answer 17

ventral/central/sulcal perforating arteries

Question 18

What is the primary artery supplementing the arterial vasa corona?

Answer 18

anterior medullary feeders and posterior medullary feeders

Question 19

What will pial veins drain into?

Answer 19

venous vasa corona

Question 20

Which vessels from the venous vasa corona?

Answer 20

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

Question 21

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

Answer 21

anterior internal vertebral venous plexus, basivertebral vein

Question 22

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

Answer 22

posterior internal vertebral venous plexus

Question 23

What venous vessels are identified in the intervertebral foramen?

Answer 23

intervertebral veins