The carotid arteries branch off from the aorta (the largest artery in the body) a short distance from the heart, and extend upward through the neck carrying oxygen-rich blood to the brain. There are ...

The posterior cerebral arteries branch off from the basilar artery. The left and right PCAs form the longest sections of the ...

Atherosclerotic carotid artery stenosis is relatively frequent in older patients and is a major cause of disabling stroke or death. Carotid endarterectomy is currently considered the standard of ...

Perforating branches supply the posterior limb of ... ends by bifurcating into the right and left PCAs. ICA = Internal carotid artery; MCA = Middle cerebral artery; PCA = Posterior cerebral ...