The cerebral arterial circle forms a loop around which structures?
A. the great vessels at the base of the heart
B. the internal and external carotid arteries
C. the cerebellum
D. the pituitary gland and the optic chiasma
Answer:D
The cerebral arterial circle forms a loop around which structures?
A. the great vessels at the base of the heart B. the internal and external carotid arteries C. the cerebellum D. the pituitary gland and the optic chiasma