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Circle of Willis MeSH Descriptor Data 2022


MeSH Heading
Circle of Willis
Tree Number(s)
A07.015.114.228.351
Unique ID
D002941
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D002941
Scope Note
A polygonal anastomosis at the base of the brain formed by the internal carotid (CAROTID ARTERY, INTERNAL), proximal parts of the anterior, middle, and posterior cerebral arteries (ANTERIOR CEREBRAL ARTERY; MIDDLE CEREBRAL ARTERY; POSTERIOR CEREBRAL ARTERY), the anterior communicating artery and the posterior communicating arteries.
Entry Term(s)
Cerebral Arterial Circle
Willis' Circle
Public MeSH Note
65
History Note
65
Date Established
1965/01/01
Date of Entry
1999/01/01
Revision Date
2018/06/30
Circle of Willis Preferred
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