They spotted what was wrong; my left internal carotid was totally blocked.

At rest, 20% of the cardiac output flows to the brain via the internal carotid and vertebral arteries.

The external and internal carotids lie side by side, the external being the more anterior of the two.

The internal carotids are the main source of blood to the brain's hemispheres.

Large vessel disease involves the common and internal carotids, vertebral, and the Circle of Willis.

My left internal carotid is still blocked; the stoppage is too high up for surgery.

In the child, it is somewhat smaller than the internal carotid; but in the adult, the two vessels are of nearly equal size.

The arteriogram showed no evidence of intracranial perfusion, the internal carotids terminating below the skull base.

The former affects vessels such as the internal carotids, vertebral and the circle of Willis.

Unlike the external carotid artery, the internal carotid normally has no branches in the neck.