Willis环(Circle of Willis),又被称为大脑动脉环(cerebral arterial circle),是指供应脑组织的动脉在脑底形成的环状结构。它是由英国医师托马斯·威利斯(Thomas Willis,1621–1675)命名。
英语百科
Circle of Willis Willis环
The circle of Willis (also called Willis' circle, loop of Willis, cerebral arterial circle, and Willis polygon) is a circulatory anastomosis that supplies blood to the brain and surrounding structures. It is named after Thomas Willis (1621–1675), an English physician.