Neurovasculature of the Vertebral Column (Final)

Question 1

What are the major segmental arteries of the trunk?

Answer 1

-posterior intercostal arteries
-subcostal and lumbar arteries
-iliolumbar, lateral and medial sacral arteries

Question 2

Anterior vertebral canal branches send nutrient arteries anteriorly into the vertebral bodies that supply most of the _____________ of the central vertebral body

Answer 2

red marrow

Question 3

Typical vertebrae are supplied by….

Answer 3

segmental arteries like lumbar arteries

Question 4

The vertebral column is innervated by…..

Answer 4

recurrent meningeal branches of the spinal nerves

Question 5

3 longitudinal arteries supply the spinal cord. What are they?

Answer 5

1 anterior spinal a. and 2 posterior spinal arteries

Question 6

The anterior spinal artery, formed by the union of branches of the vertebral arteries, runs inferiorly in the….

Answer 6

anterior median fissure

Question 7

Sulcal arteries arise from who?

Answer 7

anterior spinal artery

Question 8

Which arteries supply approx 2/3 of the cross-sectional area of the spinal cord?

Answer 8

sulcal arteries

Question 9

Each posterior spinal artery is a branch of either the ______________ artery or the __________________ artery

Answer 9

vertebral, posteroinferior cerebellar

Question 10

The posterior spinal arteries commonly form anastomosing channels in the….

Answer 10

pia mater

Question 11

The segmental medullary arteries are located in the….

Answer 11

cervical and lumbosacral enlargements

Question 12

The veins draining the spinal cord join the __________________ in the epidural space

Answer 12

internal vertebral venous plexus