Somewhat common. If you have arterial plaque in the carotid, you need to do something to continue blood supply to the head. A stent is one of the approved methods and often used in that circumstance.
Internal carotid artey passes through the carotid canal and takes blood to the brain
It supply blood to organs External to the skull.
The heart is the organ involved in the carotid sinus. The heart pumps blood throughout the whole circulatory system, including the carotid sinus.
The brain is supplied blood from the left and right carotid arteries. If supply from one of the carotid arteries is cut off, the other can still supply enough oxygenated blood to keep the brain alive and functioning.
comon carotid and vertebral arteries
carotid arteries
Internal Carotid Arteries
In the human, the right common carotid artery branches from the brachiocephalic artery, whereas the left common carotid artery comes directly from the aortic arch. In the cat, both common carotid arteries branch from the brachiocephalic artery.
The external carotid artery is responsible for supplying blood the the face, jaw, scalp, and the base of the skull.
They supply the brain (and structures of the head, as well) with oxygenated blood.
the carotid arteries