Blood supply of midbrain

Blood supply of midbrain

What is the vascular supply of the midbrain?

Arteries supplying the midbrain include branches of the superior cerebellar artery, posterior cerebral artery, posterior communicating artery, and anterior choroidal artery.

Branches of these arteries, like those of the pons, can be grouped into paramedian arteries, which supply the midline structures, and the long and short circumferential arteries, which supply the dorsal and lateral midbrain. 

Because the blood supply to the brain stem at each level is divided into several territories (usually medial and lateral), occlusion of specific arteries manifests clinical features that reflect their vascular distribution.


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