The middle cerebral artery (MCA) is the largest of the three major arteries that channels fresh blood to the brain. It branches off the internal carotid artery. It supplies blood to lateral (side) ...

In the brain, oxygenated blood travels through an extensive and central cerebral arterial circle. This network is called the circle of Willis. The posterior communicating artery makes up a large part ...

As we age, our arteries gradually become less flexible, making it harder for the heart to pump blood throughout the body. This hardening of the arteries occurs faster in people with high blood ...

The space between the arachnoid and pia meningeal layers encasing the brain is a landscape of connective tissue, blood vessels, and cerebrospinal fluid. Scientists debate how that fluid moves within ...

The study could not determine whether reduced blood flow to the brain is the sole or most important reason for cognitive decline in carotid artery disease. "Some characteristics of a blockage can ...

Researchers tracking patients with mild stroke found that abnormal widening and distortion of brain arteries, not traditional large-artery narrowing, was most strongly linked to progressive ...

Growing older often brings changes in memory and thinking. Many people occasionally forget where they put their keys or ...