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 ]
Synonyms: cerebral arterial circle arterial circle of Willis
Term information
- MESH:D002941
- EHDAA:9758
- EHDAA2:0000252
- GAID:486
- FMA:50454
- SCTID:362047009
- neuronames:1468
- Wikipedia:Circle_of_Willis
pheno_slim
Term relations
- systemic artery
- overlaps some left internal carotid artery
- overlaps some right internal carotid artery