Changes in the Relative Number of Bipolar-Like Cells in the Retina of Pleurodeles waltl as a Function of Age and as a Result of Light Exposure

Changes in the Relative Number of Bipolar-Like Cells in the Retina of Pleurodeles waltl as a... The study of the population of bipolar-like cells (displaced bipolars) was continued in order to establish their role in development and regeneration of the retina in lower vertebrates. The size of the population of these cells was estimated on serial semithin sections in the retina of normal eyes in adult and young newt Pleurodeles waltl, as well as in adult newts subjected to long-term bright illumination. The population of displaced bipolars was significantly increased with reference to all cells of the outer nuclear layer. In young and illuminated animals, their numbers were approximately 1.3 and 1.4 times that in the adult animals not exposed to constant light. The results obtained favor the earlier suggestion of the involvement of the displaced bipolars in growth and restoration of the outer nuclear layer in the retina of newts during development and after trauma. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Changes in the Relative Number of Bipolar-Like Cells in the Retina of Pleurodeles waltl as a Function of Age and as a Result of Light Exposure

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/A:1014964112381
Publisher site
See Article on Publisher Site

Abstract

The study of the population of bipolar-like cells (displaced bipolars) was continued in order to establish their role in development and regeneration of the retina in lower vertebrates. The size of the population of these cells was estimated on serial semithin sections in the retina of normal eyes in adult and young newt Pleurodeles waltl, as well as in adult newts subjected to long-term bright illumination. The population of displaced bipolars was significantly increased with reference to all cells of the outer nuclear layer. In young and illuminated animals, their numbers were approximately 1.3 and 1.4 times that in the adult animals not exposed to constant light. The results obtained favor the earlier suggestion of the involvement of the displaced bipolars in growth and restoration of the outer nuclear layer in the retina of newts during development and after trauma.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Oct 13, 2004

References

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