Results 231 to 240 of about 13,645 (257)
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The ultrastructure of human fetal odontoblasts
Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, 1970The ultrastructure of odontoblasts of deciduous teeth from two human fetuses (CRL 159 and 195 mm) was investigated. The human odontoblast is a polarized cell with a characteristic localization of its organelles and demonstrates similarities with odontoblasts from non-human materials.
F. A. von Bülow, M. E. Matthiessen
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Dentin sensitivity and aspiration of odontoblasts
The Journal of the American Dental Association, 1963The aspiration of odontoblasts into the dentinal tubules as an immediate effect of physical stimuli applied to exposed dentin seems to result from loss of sub stance at the distal apertures of the tubules and subsequent outward flow of the tubular contents through capillary action.
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The fine structure of the mouse odontoblast
Archives of Oral Biology, 1968Abstract A study of the fine structure of the odontoblasts of young mice was undertaken in order to further elucidate the secretory role of this cell in the production of dentine. The observations suggested that fully differentiated odontoblasts possess all of the cytoplasmic characteristics of cells engaged in the production of proteins for external
J. Nalbandian, P.R. Garant, G. Szabo
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Another look at the odontoblast process
Journal of Endodontics, 1984Freshly extracted human third molars and bicuspids with incompletely developed roots were cryofractured in liquid nitrogen and placed in Karnovsky's fixative. The specimens were decalcified in formic and hydrochloric acids followed by digestion in collegenase.
Jeanette Zeagler +2 more
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Odontoblast: a mechano‐sensory cell
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, 2008AbstractOdontoblasts are organized as a single layer of specialized cells responsible for dentine formation and presumably for playing a role in tooth pain transmission. Each cell has an extension running into a dentinal tubule and bathing in the dentinal fluid.
Françoise Bleicher +8 more
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Polarity of Mature Human Odontoblasts
Journal of Dental Research, 2013Odontoblast polarization is based on histological appearance as columnar cells with asymmetric disposition of organelles and plasma membrane domains. However, little is known about the odontoblast plasma membrane organization. We investigated odontoblast membrane polarity using influenza virus hemagglutinin and vesicular stomatitis virus glycoprotein ...
Tuula Salo +9 more
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Membrane junctions on cat odontoblasts
Archives of Oral Biology, 1975Abstract The odontoblast layer of the pulp was examined after perfusion fixation with buffered aldehydes. Desmosomal junctions occur between only some of the odontoblasts at the predentinal border. Pale cytoplasmic processes similar in morphology to nerve terminals in the intercellular spaces make specialized junctions on the cell bodies of the ...
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Odontoblasts: Vacuoles and Inclusions
Science, 1961Lipid granules have been found in the cytoplasm of odontoblasts and in the odontoblastic extensions within the dentinal tubules. It is suggested that these granules represent specific activity on the part of the normal cell as well as an increase in number after injury.
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A histochemical study of the human odontoblast
Archives of Oral Biology, 1967Abstract Unfixed, undemineralized cold microtome sections of human teeth were used to study the histochemical characteristics of the odontoblast. As these cells differentiated from the mesenchyme of the papilla they acquired an increased content of ribonucleic acid, showed a marked carbohydrate content and developed activity of the hydrolytic enzymes
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Cell Division and Cytodifferentiation of Odontoblasts
Differentiation, 1976The chronological delay of overt cytodifferentiation of odontoblasts in isochronal and heterochronal associations between inner dental epithelium and preameloblasts was analysed. The in vitro action of FUdR of tooth germs was summarised. The respective role of cell interaction and specific cell cycle was discussed.
V Karcher-Djuricic, J V Ruch, J Thiebold
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