(anatomy) A single unpaired artery that is formed by the anastomosis of a branch of the vertebral artery on each side and that descends in the anterior median fissure of the spinal cord.

(anatomy) Synonym of inferior alveolar artery.

(anatomy) A branch of the maxillary artery that is distributed to the mucous membrane of the mouth and through the mandibular canal to the teeth of the lower jaw.

(anatomy) A small branch of the inferior thyroid artery.

(anatomy) A small branch of the external carotid artery that supplies or gives off branches supplying the back of the ear and the adjacent region of the scalp, the middle ear, tympanic membrane, and mastoid cells.

(anatomy) Either of two arterial branches that supply a large muscle on each side of the head involved in raising the lower jaw and that arise from the cerebral artery supplying the deep structures of the face.

(anatomy) Either of the two large arteries arising from the bifurcation of the abdominal aorta which occurs at the level of the fourth lumbar vertebra.

(anatomy) A large unpaired artery that arises from the abdominal aorta just below the celiac artery at the level of the first lumbar vertebra, and supplies the intestine from the distal half of the duodenum through two-thirds of the transverse colon, as well as the head of the pancreas.

(anatomy) The outer branch of the common iliac artery on either side of the body that passes beneath the inguinal ligament to become the femoral artery.

(anatomy) The inner branch of the common iliac artery on either side of the body.