circle of Willis en · NOUN
Etymology
Named after English physician Thomas Willis (1621–1675).
Meanings
- A circle of arteries at the base of the brain that is formed by the cerebral and communicating arteries and is a site of aneurysms.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| circles of Willis | Number=Plur | lexicographic | |
| Willis circle | alternative | lexicographic |