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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 Blood–retinal barrier ： ウィキペディア英語版 Blood–retinal barrier The blood–retinal barrier, or the BRB, is part of the blood–ocular barrier that consists of cells that are joined tightly together to prevent certain substances from entering the tissue of the retina.〔Biologyonline.org. (Blood–retinal barrier ). Retrieved on July 19, 2007.〕 It consists of non-fenestrated capillaries of the retinal circulation and tight-junctions between retinal epithelial cells preventing passage of large molecules from choriocapillaris into the retina. ==Structure== The blood retinal barrier has two components: the retinal vascular endothelium and the retinal pigment epithelium. Retinal blood vessels that are similar to cerebral blood vessels maintain the inner blood-ocular barrier. This physiological barrier comprises a single layer of non-fenestrated endothelial cells, which have tight junctions. These junctions are impervious to tracer, so many substances can affect the metabolism of the eyeball. The retinal pigment epithelium maintains the outer blood–retinal barrier. 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「Blood–retinal barrier」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.