(anatomy) A branch of the maxillary artery passing through the pterygoid canal of the sphenoid bone.

(anatomy) An artery arising from the external carotid artery between the superior thyroid and facial arteries and supplying the tongue.

(anatomy) Either of two branches of the facial artery of which one is distributed to the upper and one to the lower lip.

(anatomy) Either of two or three arteries supplying the thyroid gland and nearby structures at the front of the neck.

(anatomy) An artery that arises from the external carotid artery opposite to the origin of the facial artery, that passes posteriorly to the base of the skull where it turns upward and ascends within the superficial fascia of the scalp, and that supplies or gives off branches supplying structures and especially muscles of the back of the neck and head.

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

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

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

(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.