The Order of Cusp Calcification on the Upper First Molar of the Gray Short-tailed Opossum (Monodelphis domestica: Marsupialia)
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概要
- 論文の詳細を見る
During the course of a study into the tooth development of marsupials, an interesting feature concerning cusp development was revealed by micro-focus computed tomography analysis and alizarin red S staining of the dentition from 9 to 25 days after birth (as a pouch-young specimen) of the gray short-tailed opossum (Monodelphis domestica). The metacone was the first cusp to calcify on the upper first molar, which commenced calcification 13 days after birth. The paracone and protocone were the second and the third cusps to calcify respectively, followed by the external stylar cusps. This order of cusp calcification differed from the order on the upper deciduous molar and permanent molars of Didelphis virginiana belonging to the same family, in which the stylar cusps calcified earlier than the protocone.
- 日本大学松戸歯学部 口腔科学研究所の論文
著者
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Suzuki Kunihiro
Department Of Endocrinology & Metabolism Dokkyo University School Of Medicine
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Suzuki Kunihiro
Department of Histology, Cytology and Developmental Anatomy, Nihon University School of Dentistry at Matsudo
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- The Order of Cusp Calcification on the Upper First Molar of the Gray Short-tailed Opossum (Monodelphis domestica: Marsupialia)