Three-dimensional Observation of the Enamel Prisms of Subhyracodon Molars
スポンサーリンク
概要
- 論文の詳細を見る
Enamel prisms are a morphological feature and Hunter-Schreger bands are the main microstructure of mammalian tooth enamel. Subhyracodon is an extinct rhinocerotoid that inhabited North America in the Oligocene geologic period. The Hunter-Schreger bands of some rhinocerotoids run vertically along the axis of the tooth, and the boundary between bands is distinct in the tangential section. In our observation of Subhyracodon tooth enamel, vertical prism decussation along the tooth axis could be observed clearly in the inner three-fourths of the enamel. In this study, the path of the prisms was digitized and reconstructed three-dimensionally. The course of each prism undulated strongly at the border of the bands, and the prisms did not maintain their relative relations but showed positional changes and displacement of adjacent Hunter-Schreger bands.
著者
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Sakae Toshiro
Department Of Anatomy Ii Nihon University School Of Dentistry At Matsudo
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Kozawa Yukishige
Department Of Anatomy Ii Nihon University School Of Dentistry At Matsudo
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Suzuki Kunihiro
Department Of Endocrinology & Metabolism Dokkyo University School Of Medicine
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Yamamoto Hitoshi
Department For The Administration Of Safety And Hygiene (dash) Osaka University
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Sakae Toshiro
Department of Histology, Cytology and Developmental Anatomy, and Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo
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Kozawa Yukishige
Department of Histology, Cytology and Developmental Anatomy, and Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo
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