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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 Enamel spindles ： ウィキペディア英語版 Enamel spindles Enamel spindles are "short, linear defects, found at the dentinoenamel junction (DEJ) and extend into the enamel, often being more prevalent at the cusp tips."〔Histology Course Notes: "Mature Enamel", New Jersey Dental School, 2003-2004, page 2.〕 The DEJ is the interface of the enamel and the underlying dentin. Because they are "formed by entrapment of odontoblast processes between ameloblasts prior to and during amelogenesis," they cannot be found at the enamel surface protruding inward, as enamel lamellae are often located. Enamel spindles are often confused with two other entities: enamel lamellae and enamel tufts. Lamellae are linear enamel defects that extend from the surface of the enamel towards the DEJ, or vice versa. Enamel tufts are "small, branching defects that are found only at the DEJ, protruding into the enamel towards the enamel surface. Enamel spindles however, are in fact odontoblast processes that extend into the enamel. 〔〔Oral Biology Course Notes: "Dentine and Pulp", Otago University School of Dentistry, 2006-2007, pg 109. 〕 ==References== 〔 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「Enamel spindles」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.