Which of the following best describes the cerebral arterial circle (circle of Willis)?

• An anastomosis circling the entire cortex
• A portal system connecting the hypothalamus with the anterior pituitary
O Formed by the superior and inferior sagittal sinuses
O An anastomosis surrounding the pituitary gland
O A short anastomosis found in the cerebellum

1 answer

An anastomosis circling the entire cortex