A major intracranial artery formed by the union of the vertebral arteries along the ventral surface of the pons, supplying the brainstem, cerebellum, and posterior cerebrum.
A major intracranial artery formed by the union of the vertebral arteries along the ventral surface of the pons, supplying the brainstem, cerebellum, and posterior cerebrum.
Situated in the cranial / head region (midline / bilateral aspect, posterior aspect) within the arteries.
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The heart provides the muscular pumping force that drives blood into the pulmonary trunk and ascending aorta.
After arterial blood perfuses capillary beds in tissues, the venous system collects and returns the blood back toward the heart.
In the pulmonary circuit, arteries carry blood from the right side of the heart to the lungs where oxygen is replenished.