Examination of Blood Capillaries in Rat Incisor Pulp by TEM of Thin Sections and Freeze-Fracture Replicas

Shoji, Tetsuo; Semba, Teruhiko

doi:10.1093/oxfordjournals.jmicro.a050639

Journal of Electron Microscopy

1987

DOI: 10.1093/oxfordjournals.jmicro.a050639

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Examination of Blood Capillaries in Rat Incisor Pulp by TEM of Thin Sections and Freeze-Fracture Replicas

Tetsuo Shoji

Teruhiko Semba

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Cited by 9 publications

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The relationship between odontoblasts and pulp capillaries in the process of enamel- and cementum-related dentin formation in rat incisors

Ohshima

Yoshida

1992

Cell Tissue Res

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The relationship between odontoblasts and pulp capillaries in the process of dentinogenesis was studied in rat lower incisors, both on the labial and lingual sides, using light and transmission electron microscopy. The odontoblasts showed remarkable differences from the apical to the incisal end. Near the apical end of the tooth, "immature odontoblasts", which were thought to be involved in the formation of the mantle dentin, were arranged in a single layer, and continuous capillaries were located just beneath the odontoblasts. In the middle of the tooth, "mature odontoblasts" with highly developed cell organelles and notable processes formed a pseudostratified layer; fenestrated capillaries were found between these cells close to the predentin. The height of the odontoblast layer and the rate of dentin deposition on the labial (enamel-related) side was significantly greater than that on the lingual (cementum-related) side. Near the incisal end, cementum-related odontoblasts gradually decreased in height and number to become "post-odontoblasts" that produced atubular dentin; continuous capillaries were located subjacent to the post-odontoblasts. On the labial (enamel-related) side, however, odontoblasts retained their pseudostratification; fenestrated capillaries were still observed in the odontoblast layer. No atubular dentin was formed on the labial side.

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The relationship between odontoblasts and pulp capillaries in the process of enamel- and cementum-related dentin formation in rat incisors

Ohshima

Yoshida

1992

Cell Tissue Res

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Ultrastructural changes in odontoblasts and pulp capillaries following cavity preparation in rat molars.

Ohshima

1990

Archives of Histology and Cytology

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The Relationship between Odontoblasts and Immunocompetent Cells during Dentinogenesis in Rat Incisors: An Immunohistochemical Study Using OX6-monoclonal Antibody.

Ohshima

Kawahara

Maeda

et al. 1994

Archives of Histology and Cytology

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Examination of Blood Capillaries in Rat Incisor Pulp by TEM of Thin Sections and Freeze-Fracture Replicas

Cited by 9 publications

References 0 publications

The relationship between odontoblasts and pulp capillaries in the process of enamel- and cementum-related dentin formation in rat incisors

The relationship between odontoblasts and pulp capillaries in the process of enamel- and cementum-related dentin formation in rat incisors

Ultrastructural changes in odontoblasts and pulp capillaries following cavity preparation in rat molars.

The Relationship between Odontoblasts and Immunocompetent Cells during Dentinogenesis in Rat Incisors: An Immunohistochemical Study Using OX6-monoclonal Antibody.

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