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.

Medically reviewed by Nicholas R. Metrus, MD The posterior communicating artery (PCOM) is a part of a group of arteries in the brain known as the circle of Willis. The artery connects the internal ...

[4] Evaluation of Circle of Willis variants using magnetic resonance angiography. Scientific Reports (2022). [5] Exploring the anatomical configurations of the cerebral arteries in a cohort of ...

The vertebral arteries are not normally considered part of the circle of Willis, but are important to the intracranial arterial supply. Credit Penn Medicine/Brett Cucchiara, MD and John Detre, MD ...

The arterial supply of blood to the brain is protected by a series of connections between the major arteries, termed the "circle of Willis" after the English physician who first described it in ...

The vertebral arteries are not normally considered part of the circle of Willis, but are important to the intracranial arterial supply. view more Credit: Penn Medicine/Brett Cucchiara, MD and John ...

Migraine with Aura Is Associated with an Incomplete Circle of Willis: Results of a Prospective Observational Study. PLoS ONE , 2013; 8 (7): e71007 DOI: 10.1371/journal.pone.0071007 Cite This Page : ...

The arterial supply of blood to the brain is protected by a series of connections between the major arteries, termed the "circle of Willis" after the English physician who first described it in ...

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 ...

The brain and the 'Circle of Willis' are examined at autopsy. Thickening of arteries due to atherosclerosis, bursting of aneurysm and haemorrhage of brain are seen at autopsy.