Internal carotid artery

Definition

The internal carotid artery is a major blood vessel that supplies oxygenated blood to the brain, eyes, and other parts of the head. It branches off from the common carotid artery and ascends into the skull through the carotid canal.

Related terms

Common Carotid Artery: A major artery that divides into the internal and external carotid arteries, supplying blood to the head and neck.

Circle of Willis:

A circular network of arteries at the base of the brain that provides multiple pathways for blood to supply the brain, ensuring redundancy in case one part is blocked or narrowed.

Blood:

Brain Barrier - A selective barrier formed by endothelial cells that prevents most substances in the bloodstream from entering the brain, protecting it from pathogens and toxins