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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Trigeminal artery ： ウィキペディア英語版 Trigeminal artery The trigeminal artery is an artery that supplies the basilar artery with blood during human embryonic development.〔Simon J. Dimmick and Kenneth C. Faulder. "Normal Variants of the Cerebral Circulation at Multidetector CT Angiography". ''RadioGraphics'' (2009) 29: 1036.〕 Normally, the trigeminal artery involutes after the formation of the posterior communicating artery.〔Waleed Azab, Johnny Delashaw, and Mohammed Mohammed. "Persistent Primitive Trigeminal Artery: A Review." ''Turkish Neurosurgery'' (2012) 22:400.〕 However, in some cases, the artery persists into adulthood and can cause medical complications, including intracranial aneurysms.〔Stephan Meckel, Bjoern Spittau & William McAuliffe. "The persistent trigeminal artery: development, imaging anatomy, variants, and associated vascular pathologies." ''Neuroradiology'' (2013) 55:5–16.〕 ==Normal development== The trigeminal artery arises from the primitive internal carotid artery during development, when the embryo is approximately 6 weeks old. The trigeminal artery then anastomoses with the basilar artery.〔 At this point in development, the trigeminal artery serves as the main blood supply for the hindbrain, as other vessels in the region have yet to mature.〔William S. Fields. "The significance of persistent trigeminal artery: Carotid-basilar anastomosis. ''Radiology'' (1968) 91: 1096-1101.〕 As the internal carotid artery branches more caudally to form the posterior communicating artery, the trigeminal artery becomes less important in supplying blood and ultimately involutes.〔 The time period from the initial development of the artery to its ultimate involution is only 7 to 10 days; if the artery has not involuted at the end of this period it persists into adulthood.〔Ljiljana Vasovic, et al. "Trigeminal artery: a review of normal and pathological features." ''Child's Nervous System'' (2012) 28: 33-46.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trigeminal artery」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.