Which Artery is Not Part of the Cerebral Arterial Circle

Question

Which artery is not part of the cerebral arterial circle?
A) anterior communicating artery
B) anterior cerebral artery
C) posterior communicating artery
D) posterior cerebral artery
E) middle cerebral artery

Accepted Answer

The middle cerebral artery is not part of the cerebral arterial circle (also known as the circle of Willis), which is a ring-like structure of arteries at the base of the brain that connects the anterior and posterior circulations. The other options (A, B, C, and D) are all part of the cerebral arterial circle.