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      The development of acellularity of the vertebral bone of the Japanese medaka, Oryzias latipes (Teleostei; Cyprinidontidae).

      1 ,
      Journal of morphology
      Wiley

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          Abstract

          Among vertebrates, some teleosts are unique in having bone which lacks osteocytes embedded in the matrix. The fate of cells that secrete the matrix of these acellular bones has not been investigated thoroughly. Histological and fluorescent microscopic analysis of the vertebral bone of Oryzias latipes demonstrated that acellularity is not a secondary appearance of an early cellular bone during ontogeny. Vertebral bone is devoid of cells embedded in the matrix throughout development. Cells that secrete bone matrix do not become trapped in their own secretion. Instead, they always remain as a surface layer over the outer surface of the bone. Fluorescent microscopic visualization of tetracycline injected into growing fish demonstrated that bone was only deposited by osteoblasts lining the outer surface of the bone; no deposition of bone took place on the inner surface.

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          Author and article information

          Journal
          J Morphol
          Journal of morphology
          Wiley
          0362-2525
          0022-2887
          Sep 1987
          : 193
          : 3
          Affiliations
          [1 ] Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada.
          Article
          10.1002/jmor.1051930304
          3682003
          c55c6186-0b96-48f0-8579-214d91e08cbe
          History

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