Medically reviewed by Nicholas R. Metrus, MD Key Takeaways The posterior communicating artery (PCOM) connects to the internal ...

In the body there are two deep temporal arteries. These arteries are called the posterior and anterior deep temporal arteries. The anterior deep temporal artery and its partner are located between the ...

Medically reviewed by Oliver Eng, MD Key Takeaways The subclavian artery carries oxygen-rich blood from the heart to the ...

Approximately 20% of ischemic strokes involve the posterior circulation, primarily supplied by the vertebrobasilar system. While much is known about the stroke risk of vertebrobasilar stenotic disease ...

A carotid endarterectomy removes plaque from one of two arteries that move blood to your head in order to prevent complications. You have two carotid arteries in your neck that bring blood into your ...

What is the skull base? The skull base is the bone where the brain sits at the bottom of the skull. Many people use the analogy of a salad bowl to describe the area. The bowl has a hole at the center ...

The three main types of arteriosclerosis are atherosclerosis, medial calcificsclerosis, and arteriolosclerosis. Arteriosclerosis is a type of vascular disease that causes the arteries to harden. As ...

Bleeding occurs when trauma damages a blood vessel. When that trauma involves your head—whether the scalp, skull, or brain—it’s considered a head injury. These head injuries range in severity from a ...