circle of Willis

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circle of Willis

[′sər·kəl əv ′wil·əs]
(anatomy)
A ring of arteries at the base of the cerebrum.
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References in periodicals archive ?
This aim of this study is to describe with sections and photographies the arterial pattern of the cerebral arterial circle, its branches, its anastomoses and the manner that it supply the brain of the one-humped camel, which will provide valuable information for both anatomists and physiologists.
The cerebral arterial circle (Circulus Arteriosus Cerebri): an anatomical study in fetus and infant samples.