circle of Willis

noun
circle of Wil·lis | \ -ˈwil-əs \

Medical Definition of circle of Willis 

: a complete ring of arteries at the base of the brain that is formed by the cerebral and communicating arteries and is a site of aneurysms

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Dictionary Entries near circle of Willis

circannual

circinate

circle

circle of Willis

circling disease

circuit

circuitry

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