circle of willis

1. 1.

   a ring of arteries at the base of the brain

   Broaderartery

   Part ofbrain

Questions about circle of willis

What does circle of willis mean?

circle of willis means "a ring of arteries at the base of the brain".

Is circle of willis a common word?

circle of willis is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.