n. in anatomy, one of the arteries which supply the brain with oxygenated blood. At the junction where the two vertebral arteries unite, the vertebrobasilar system ascends to the brainstem and the lower part of the cerebrum.
n. in anatomy, one of the arteries which supply the brain with oxygenated blood. At the junction where the two vertebral arteries unite, the vertebrobasilar system ascends to the brainstem and the lower part of the cerebrum.