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      The Microvilli Structure of the Corneal Epithelium of the Rabbit in Relation to Cell Function

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          Abstract

          The surface of the cornea of rabbit eyes was studied under the scanning and transmission electron microscope, and was compared with the pathological changes which occurred after experimental UV irradiation. Both methods showed two types of cells: (1) cells rich in microvilli, containing an active karyoplasm and cytoplasm structure, and (2) smooth-surfaced cells with perhaps a few microvilli whose karyoplasm and cytoplasm are in a state of liquefication and whose membranes are defective. After U V irradiation, the microvilli were destroyed, and the second cell type was shed. The regeneration of the first cell type leads to a new formation of the microvilli from the centre of the cell, whereby tonque-like smooth processes can be seen at the periphery. These results support the thesis of the function-dependent formation of the microvilli and the age-dependent functional efficiency of the top layer of corneal, epithelial cells.

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          Author and article information

          Journal
          ORE
          Ophthalmic Res
          10.1159/issn.0030-3747
          Ophthalmic Research
          S. Karger AG
          0030-3747
          1423-0259
          1972
          July 2004
          09 December 2009
          : 4
          : 3
          : 175-184
          Affiliations
          Department of Ophthalmology, Steglitz Clinic, and Department of Anatomy, University of Berlin, Berlin
          Article
          265970 Ophthalmic Res 1972–73;4:175–184
          10.1159/000265970
          © 1972 S. Karger AG, Basel

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          Pages: 10
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