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
- SCTID:362047009
- EMAPA:37829 (MA:th)
- FMA:50454
- MESH:D002941
- EHDAA:9758
- GAID:486
- EHDAA2:0000252
- Wikipedia:Circle_of_Willis
- neuronames:1468
pheno_slim
In zebrafish, the circle of vessels comprised of the basal communicating artery (BCA) and posterior communicating segments (PCS) superficially resemble but are not homologous to the human circle of Willis