1.9 Blood Supply to the Brain

Question 1

How does the ICA enter the cranium?

Answer 1

Through the carotid canal in the petrous section of the temporal bone

Question 2

Lenticulostriate arteries supply the posterior arm of the internal capsule (where the corticospinal tract travels through). Where, specifically, do these arteries arise?

Answer 2

M1 (proximal) section of middle cerebellar artery