Blood supply to the corticospinal tract

Question 1

What supplys the medial surface of the precentral gyrus (Primary motor cortex area 4)

Answer 1

The medial surface is supplied by the anterior cerebral artery.
This area is responsible for the hip, leg, and foot area.

Question 2

What supplies the lateral surface of the precentral gyrus AKA the primary motor cortex area 4?

Answer 2

The lateral surface is supplied by the middle cerebral artery
This area is responsible for the trunk, upper limb, and head area.

Question 3

What blood supply runs to the posterior limb of the internal capsule?

Answer 3

Lenticulostriate arteries which are branches of the middle cerebral artery.

Question 4

What blood supply runs to the midbrain?

Answer 4

Posterior cerebral artery, and the basilar artery.

Question 5

What blood supply runs to the pons?

Answer 5

The pontine arteries of the basalar artery.

Question 6

What blood supply runs to the rostral medulla?

Answer 6

The anterior spinal arter and the vertebral artery.

Question 7

What blood supply runs to the caudal medlla?

Answer 7

The anterior spinal artery

Question 8

What blood supply runs to the cervical spinal cord?

Answer 8

The anterior spinal artery.