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Outgrowth of dentinal fibers observed in tissue culture

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Zeitschrift für Zellforschung und Mikroskopische Anatomie Aims and scope Submit manuscript

Summary

In hanging-drop cultures of dental pulp of the permanent canines and molars of newborn kittens, outgrowth of dentinal fibers from the outer surface of young dentin was observed when the enamel organ was removed.

The outgrowth started soon after explantation and the fibers reached a considerable length in a short period of time.

Outgrowing fibers were not ramified, but usually showed a knot near their distal end.

The potency of growth at the peripheral end of the dentinal fibers was positively established.

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Literature cited

  • Niizima, M.: Enamel epithelium in tissue culture. Amer. J. Anat. 99, 351–389 (1956).

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  • —: Tissue culture of an ameloblastoma. Z. Zellforsch. 46, 127–138 (1957).

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  • Niizima, M., and M. Cattoni: Dental papilla in tissue culture. J. Dent. Res. (in press).

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Authors and Affiliations

  1. Tissue Culture Laboratory, Department of Anatomy, University of Texas, Medical Branch, Galveston, Texas

    Mitio Niizima

  2. Department of Anatomy, Tokyo Medical and Dental University, Ochanomizu, Hongo, Tokyo, Japan

    Mitio Niizima

Authors
  1. Mitio Niizima
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Additional information

This investigation was supported by the Medical Research and Development Board, Office of the Surgeon General, Department of the Army, under Contract Nos. DA-49-007-MD-447 and DA-49-007-MD-32, administered by Doctors T. G. Blocker, jr. and C. M. Pomerat respectively.

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Niizima, M. Outgrowth of dentinal fibers observed in tissue culture. Z.Zellforsch 46, 121–126 (1957). https://doi.org/10.1007/BF00383224

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  • DOI: https://doi.org/10.1007/BF00383224

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