The Neurons of the First Optic Ganglion of the Bee (Apis mellifera)
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Advances in Anatomy, Embryology and Cell Biology Ergebnisse der Anatomie und Entwicklungsgeschichte Revues d'anatomie et de morphologie experimentale
50·4
Editors A. Brodal, Oslo· W. Hild, Galveston· J. van Limborgh, Amsterdam R. Ortmann, Koln· T. H. Schiebler, Wurzburg· G. Tondury, Zurich· E. Wolff, Paris
Willi A. Ribi
The Neurons of the First Optic Ganglion of the Bee ( Apis mellifera) With 21 Figures
Springer-Verlag Berlin Heidelberg New York 1975
Dr. Willi A. Ribi Zoologisch- Vergl. Anatomisches Institut der Universitiit Zurich Kunstlergasse 16 CH-8006 ZurichiSchweiz Present address,' Department of Neurobiology, Research School of Biological Sciences, Australian National University, Canberra, A. C. T. 2600, Australia
Library of Congress Cataloging in Publications Data 1943Ribi.W A The neurons of the first optic ganglion of the bee (Apis mellifera). (Advances in anatomy, embryology and cell biology; 50/4) Biography: p. Includes index. 1. Bees-Anatomy. 2. Optic lobes. 1. Title. II. Series. [DNLM: 1. Bees-Anatomy and histology. 2. Optic chiasm-Anatomy and histology. WI AD433K v. 50 fasc. 4/QX565 R485nJ QI,801.E67 vol. 50, fasc. 4 [QL568.A6J 574.4'08s
ISBN 978-3-540-07096-2 ISBN 978-3-642-50057-2 (eBook) DOl 10.1007/978-3-642-50057-2 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks. Under § 54 of the German Copyright J,aw where copies are made for other than private use, a fee is payable to the publisher, the amount of the fee to be determined by agreement with the publisher. © by Springer-Verlag Berlin-Heidelberg 1975. The use of general descriptive names, trade names, trade marks, etc. in this publication, even if the former are not especially identified, is not to be taken as a sign that such names, as understood by the Trade Marks and Merchandise Marks Act, may accordingly be used freely by anyone. Printed by H. Stiirtz AG, Universitatsdruckerei, 8700 Wiirzburg, Germany.
Contents Symbols
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6
1. Introduction .
7
II. Material and Methods 1. Reduced silver impregnation
2. Methylene blue staining . . 3. Golgi's selective silver impregnation 4. Technical equipment
III. Results . . . . . . . . 1. Morphology of the lamina
2. 3. 4.
5. 6.
Fenestrated layer (FL). . Monopolar cell body layer (CBL) External plexiform layer (EPL) . Localization of cell bodies in the peripheral visual system. Retina- lamina and lamina- medulla projections . Lamina fibres. . . . . . . Retinula-cell-axons (R-fibres) Monopolar cells (L-fibres) . Tangential fibres (T-fibres) Centrifugal fibres (C-fibres) Amacrines (am) . Inserta sedis (is) . Outer chiasma Medulla . . . . Terminals of long visual fibres (Ivf) Monopolar-cell Terminal (L-fibres)
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10 10 10 13
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IV. Discussion.
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Summary.
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1. General anatomical features. 2. Retinula- (svf a
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