circle of Willis
Sign in to saveAlso known as Willis' circle, loop of Willis, cerebral arterial circle, Willis polygon
circulatory anastomosis that supplies blood to the brain and surrounding structures
Key facts
- Latin
- circulus arteriosus cerebri , circulus Willisii
- Mesh
- D002941
- Ta98
- A12.2.07.080
via Wikipedia infobox
Research
4,171 papers- Circle of Willis.Mayo Clinic proceedings · 2024
- Pentagon Inside the Circle of Willis and the Golden Ratio.World neurosurgery · 2021
- Circle of Willis Configuration and Thrombus Localization Impact on Ischemic Stroke Patient Outcomes: A Systematic Review.Medicina (Kaunas, Lithuania) · 2023
- Heritability of circle of Willis variations in families with intracranial aneurysms.PloS one · 2018
- Anatomical variations of the circle of Willis and their prevalence, with a focus on the posterior communicating artery: A literature review and meta-analysis.Clinical anatomy (New York, N.Y.) · 2021
via PubMed
Wikidata facts
- Image
- Circle of Willis en.svg
Show 2 more facts
- Commons category
- Circle of Willis
- has anatomical branch
- anterior communicating artery
via Wikidata · CC0
~5 min read
Encyclopedic overview
The circle of Willis (also called Willis' circle, loop of Willis, cerebral arterial circle, and Willis polygon) is a circulatory anastomosis that supplies blood to the brain and surrounding structures in reptiles, birds and mammals, including humans. It is named after Thomas Willis (1621–1675), an English physician and neuroanatomist.
Structure
Excerpted from Wikipedia’s “circle of Willis” article, available under the CC BY-SA 4.0 licence.