a ring of blood vessels found at the base of the brain. The circle is formed by links between branches of the major arteries supplying the brain

ARTERIAL CIRCLE: "The arterial circle is a ring of blood vessels that allow for alternate routes of blood flow in the case of a cerebral hemorrhage. "
Cite this page: N., Pam M.S., "ARTERIAL CIRCLE," in, April 7, 2013, (accessed January 19, 2021).