The circle of Willis is a junction of several important arteries at the bottom part of the brain. Learn more about its anatomy, function, and more.

The image depicts the anatomy of the circle of Willis (A) and representative subjects with a complete (B) and incomplete circle of Willis (C).

Of the people in the study who suffered from migraine with aura, 73% had an incomplete circle of Willis, as did 67% of people who had migraines without aura. This compared with 51% of the healthy ...

Thomas Willis is considered to be one of the greatest neuroanatomists of all time. His name is usually associated with 'the circle of Willis', an anastomotic circle at the base of the brain, but ...