Day 12

Question 0

What is the name given to the fluid within the epidural space?

Answer 0

interstitial fluid

Question 1

Name and locate each space formed between the osseous vertebral foramen and the spinal cord (spinal medulla or medulla spinalis).

Answer 1

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

Question 2

Which of the content of the epidural space will be found near the vertebral body?

Answer 2

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

Question 3

What segmental levels are supplied by the deep cervical artery?

Answer 3

C7-T1

Question 4

What segmental levels are supplied by the posterior intercostal artery?

Answer 4

T3-T11

Question 5

What are the segmental arteries for L5?

Answer 5

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

Question 6

What are the branches of the spinal artery?

Answer 6

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

Question 7

What forms the arterial vasa corona above C3?

Answer 7

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

Question 8

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

Answer 8

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

Question 9

Which of the contents of the epidural space will be found near the lamina?

Answer 9

posterior spinal canal artery & plexus
posterior internal vertebral venous plexus
ligamentum flacvum

Question 10

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

Answer 10

serous fluid

Question 11

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

Answer 11

cerebrospinal fluid

Question 12

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

Answer 12

dentate (denticulate) ligament

Question 13

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

Answer 13

they lack the biscuspid valve of typical veins