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The Journal of Comparative Neurology

Volume 307, Issue 1 , Pages 87 - 106

Published Online: 9 Oct 2004

Copyright © 1991 Wiley-Liss, Inc., A Wiley Company

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Morphological organization of rat hippocampal slice cultures
Manfred Caeser *, Ad Aertsen
Max-Planck-Institut für Biologische Kybernetik, D-7400 Tübingen, Germany

*Correspondence to Manfred Caeser, Brain Research Institute, August-Forel Strasse 1, CH-8029 Zürich, Switzerland

hippocampus • in vitro • light microscopy • electron microscopy • development • cell types • fiber course

Using various histological methods, we investigated the cellular and morphological organization of rat hippocampal slice cultures. Many of the typical features of the hippocampus were retained in vitro over a long period of time. The principal cell types of the hippocampus and dentate gyrus, the pyramidal cells and granule cells, were well preserved and matured in vitro. Nonpyramidal cells and -aminobutyric-acid (GABA) cells were also present in slice cultures and exhibited a strikingly similar dendritic appearance at the light microscopic level. Moreover, GABA-immunoreactive cell bodies and presynaptic terminals could be identified at the electron microscopic level; they expressed typical symmetric synaptic contacts with cell bodies and dendrites. The course of the intrinsic hippocampal fiber pathways - the mossy fibers, Schaffer collaterals, and alveus-was generally retained in vitro. Additional aberrant fiber projections could be identified. Finally, three types of nonneuronal cells could be distinguished on the basis of immunocytochemical methods.

Accepted: 21 December 1990

Digital Object Identifier (DOI)

10.1002/cne.903070109  About DOI

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