Practical 1 - station 5 - blood supply to the spinal cord

Question 1

Which arteries supply the spinal cord and what are they derived from?

Answer 1

2 posterior spinal (posterior 1/3) and 1 larger anterior spinal artery (anterior 2/3)
Derived from the vertebral artery

Question 2

What are the spinal arteries reinforced by? What are they branches of?

Answer 2

Radiculospinal arteries

Branches of the body wall arteries

Question 3

What do the radicular arteries supply?

Answer 3

Dorsal and ventral roots

Question 4

What is the venous drainage of the spinal cord?

Answer 4

3 anterior spinal veins
3 posterior spinal veins
All drain outwards along the nerve roots