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Cell Types and Connectivity Patterns in Mosaic Retinas

  • Book
  • © 1978

Overview

Authors:
  1. H.-J. Wagner

    1. Abteilung für Klinische Morphologie, Universität Ulm, Ulm, Federal Republic of Germany

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Part of the book series: Advances in Anatomy, Embryology and Cell Biology (ADVSANAT, volume 55/3)

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Table of contents (6 chapters)

  1. Front Matter

    Pages N1-8
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  2. Introduction

    • H.-J. Wagner
    Pages 9-10

  3. Materials and Methods

    • H.-J. Wagner
    Pages 10-13

  4. Results and Discussion

    • H.-J. Wagner
    Pages 13-70

  5. Conclusions

    • H.-J. Wagner
    Pages 70-71

  6. Summary

    • H.-J. Wagner
    Pages 72-73

  7. References

    • H.-J. Wagner
    Pages 74-79

  8. Back Matter

    Pages 80-84
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Keywords

About this book

In many parts of vertebrate and invertebrate central nervous systems, groups of nerve or receptor cells can be found that are arranged and connected according to a precise, functionally defined pattern (Braitenberg, 1973; Santini, 1975; Strausfeld, 1976; Chan-Palay, 1977). In these cases, groups of cell bodies or synapses appear as basically similar configurations, which, however, are different in detail from each other. Such abstract patterns of connectivity are of a statistical nature and do not allow, in a given example, for the prediction of the localization or connections of a particular cell. "Wiring diagrams", therefore, can be obtained only from a multitude of individual observations. In contrast, in several sensory organs, concrete patterns occur that con­ sist of a regular, mosaic-like, and geometric arrangement of similar cell types. The constancy of such a mosaic allows predictions about certain units of the pattern on the basis of only a few exemplary observations. Typical examples are found in the visual system: In the compound eye of insects, each ommatidium contains a definite number of visual cells that are grouped around the optical axis in a hexogonal array (Kirsch­ feld, 1967); in the vertebrate retina, mosaics of geometrically arranged cones are found most frequently in lower vertebrates; they are common among teleosts. A number of studies have dealt with their phylogenetic significance and their functional role as adaptation to specific environments or modes of feeding.

Authors and Affiliations

  • Abteilung für Klinische Morphologie, Universität Ulm, Ulm, Federal Republic of Germany

    H.-J. Wagner

Bibliographic Information

  • Book Title: Cell Types and Connectivity Patterns in Mosaic Retinas

  • Authors: H.-J. Wagner

  • Series Title: Advances in Anatomy, Embryology and Cell Biology

  • DOI: https://doi.org/10.1007/978-3-642-67071-8

  • Publisher: Springer Berlin, Heidelberg

  • eBook Packages: Springer Book Archive

  • Copyright Information: The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer-Verlag GmbH, DE, part of Springer Nature 1978

  • Softcover ISBN: 978-3-540-09013-7Published: 01 September 1978

  • eBook ISBN: 978-3-642-67071-8Published: 06 December 2012

  • Series ISSN: 0301-5556

  • Series E-ISSN: 2192-7065

  • Edition Number: 1

  • Number of Pages: 84

  • Number of Illustrations: 26 b/w illustrations

  • Topics: Animal Anatomy / Morphology / Histology, Biomedicine general

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