180 Advances in Anatomy Embryology and Cell Biology Editors F. F. Beck, Melbourne · B. Christ, Freiburg F. Clascá, Madrid · D. E. Haines, Jackson H.-W. Korf, Frankfurt · W. Kummer, Giessen E. Marani, Leiden · R. Putz, München Y. Sano, Kyoto · T. H. Schiebler, Würzburg K. Zilles, Düsseldorf D. N. Angelov · O. Guntinas-Lichius · K. Wewetzer · W. F. Neiss · M. Streppel Axonal Branching and Recovery of Coordinated Muscle Activity after Transection of the Facial Nerve in Adult Rats With 21 Figures and 19 Tables 123 Prof. Dr. Doychin N. Angelov Prof. Dr. Wolfram F. Neiss Institut I für Anatomie Universität zu Köln Joseph-Stelzmann-Str. 9 50931 Köln Germany e-mail:
[email protected] Dr. Orlando Guntinas-Lichius Prof. Dr. Michael Streppel Klinik für Hals-, Nasenund Ohrenheilkunde Universität zu Köln 50931 Köln Germany Dr. Konstantin Wewetzer Hannover Veterinary School Department of Pathology 30559 Hannover Germany Library of Congress Catalog Number 2005924371 ISSN 0301-5556 ISBN-10 3-540-25654-7 Springer Berlin Heidelberg New York ISBN-13 978-3-540-25654-0 Springer Berlin Heidelberg New York This work is subject to copyright. All rights reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September, 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag. Violations are liable for prosecution under the German Copyright Law. Springer is a part of Springer Science+Business Media springeronline.com © Springer-Verlag Berlin Heidelberg 2005 Printed in Germany The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Product liability: The publisher cannot guarantee the accuracy of any information about dosage and application contained in this book. In every individual case the user must check such information by consulting the relevant literature. Editor: Simon Rallison, Heidelberg Desk editor: Anne Clauss, Heidelberg Production editor: Nadja Kroke, Leipzig Cover design: design & production GmbH, Heidelberg Typesetting: LE-TEX Jelonek, Schmidt & Vöckler GbR, Leipzig Printed on acid-free paper SPIN 11330813 27/3150/YL – 5 4 3 2 1 0 List of Contents 1 1.1 1.1.1 1.1.2 1.2 1.2.1 1.2.2 1.3 1.4 1.4.1 1.4.2 1.4.3 1.5 1.5.1 1.5.2 1.6 1.7 1.8 1.9 2 2.1 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 Outline of the General Neurobiological Problem . . .