(medicine) A thin catheter inserted into an artery.

plural of brachiocephalic artery

(anatomy) Any of the arteries supplying the cerebral cortex.

(anatomy) An artery supplying the deep structures of the face (as the nasal cavities, palate, tonsils, and pharynx) and sending a branch to the meninges of the brain.

(anatomy) Any of three arteries in the brain that form parts of the circle of Willis.

(anatomy) Any of several branches of the basilar and vertebral arteries that supply the cerebellum.

(anatomy) An unpaired artery that is formed by the union of the two vertebral arteries, runs forward within the skull just under the pons, divides into the two posterior cerebral arteries, and supplies the pons, cerebellum, posterior part of the cerebrum, and the inner ear.

(anatomy) A large branch of the subclavian artery that ascends through the foramina in the transverse processes of each of the cervical vertebrae except the last one or two, enters the cranium through the foramen magnum, and unites with the corresponding artery of the opposite side to form the basilar artery.

(anatomy) A long slender artery that arises from the basilar artery or one of its branches, accompanies the vestibulocochlear nerve through the internal auditory canal, and is distributed to the inner ear.

(anatomy) Any of the several arteries supplying blood to the meninges of the brain and neighboring structures.