Which internal structure arises from the basilar and two internal carotid arteries?

Question

Quizplus · Accepted Answer

The Circle of Willis is a circular structure formed by the basilar and two internal carotid arteries, and it plays a vital role in regulating blood flow and maintaining brain homeostasis. Option A, the reticular formation, is a network of neurons located in the brainstem that plays a role in regulating sleep, arousal, and attention. Option B, the blood-brain barrier, is a physiological barrier that separates circulating blood from the brain to protect it from potentially harmful molecules. Option D, the anterior communicating centre, is a small communicating artery that connects the two halves of the brain's anterior cerebral artery.

Which Internal Structure Arises from the Basilar and Two Internal