内ない頸けい動どう脈みゃくないけいどうみゃくMeanings1nouninternal carotid arteryanatomy›Anatomical term for the major artery supplying blood to the brain, face, and neck. Often contrasted with 外頸動脈 (external carotid artery).See also: 外頸動脈内ない頸けい動どう脈