The blood vessel that is formed by the joining of the vertebral arteries and supplies blood to the circle of Willis from the posterior side is the

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Quizplus · Accepted Answer

The basilar artery forms from the joining of the two vertebral arteries and supplies blood to the circle of Willis from the posterior side of the brain. The internal carotid artery supplies blood from the anterior side of the brain, while the middle cerebral artery and ophthalmic artery are branches off the internal carotid artery. The anterior communicating artery connects the two anterior cerebral arteries and does not directly supply blood to the circle of Willis.

The Blood Vessel That Is Formed by the Joining of the Vertebral