Migraine with brainstem aura or MBA (formerly known as basilar migraines) are headaches that start in the lower part of the brain, called the brainstem. They cause symptoms such as dizziness ...

The posterior cerebral arteries branch off from the basilar artery. The left and right PCAs form the longest sections of the ...

This variant arises from the embryonic development of the vascular system and can lead to persistent connections between the carotid and basilar arteries. Recent research has focused on the ...

The posterior circulation consists of the vertebral and basilar arteries and their branches. Typically, two vertebral arteries join and form the basilar artery. The vertebrobasilar system supplies ...