circle of Willis

Term ID

UBERON:0003709

Synonyms

• arterial circle
• arterial circle of Willis
• cerebral arterial circle
• circulus arteriosus cerebri
• Willis circle

Definition

A circle of arteries that supply blood to the brain. The Circle of Willis comprises the following arteries: Anterior cerebral artery (left and right); Anterior communicating artery; Internal carotid artery (left and right); Posterior cerebral artery (left and right); Posterior communicating artery (left and right).The basilar artery and middle cerebral arteries, supplying the brain, are also considered part of the circle http://en.wikipedia.org/wiki/Circle_of_Willis

References

• EHDAA2:0000252
• EHDAA:9758
• GAID:486
• MESH:D002941
• OpenCyc:Mx4rwSrCwJwpEbGdrcN5Y29ycA
• http://braininfo.rprc.washington.edu/centraldirectory.aspx?ID=1468
• http://en.wikipedia.org/wiki/Circle_of_Willis
• http://www.snomedbrowser.com/Codes/Details/362047009

Ontology

Uberon Ontology