Electron microscopic studies of the lung of the frog |
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Authors: | Dr Rolf Dierichs |
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Institution: | (1) Institut für Anatomie der Universität Regensburg, Lehrstuhl für Morphologie und Anatomie, Regensburg, West Germany;(2) Institut für Anatomie Lehrstuhl für Morphologie und Anatomie, Universität Regensburg, 84 Regensburg, Universitätsstr, 31, Federal Republic of Germany |
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Abstract: | Summary Scanning and transmission electron microscopy were used to study the inner architecture of the frog lung. In some specimens the alveolar surface mucus layer was removed to permit the examination of underlying features. The inner surface of the frog's lung is covered by a layer of microvilli belonging to only one type of epithelial cells. The boundaries of these epithelial cells are demarcated by small ridges. Different degrees of lung expansion cause variations of the surface topography. The morphology of certain surface features is examined in detail. Several methods of drying the specimens are compared.The author wishes to thank Dr. I. E. Richter, Institut für allgemeine und experimentelle Pathologie der Bundeswehr, Mainz, for the opportunity to do these investigations and for helpful discussions. |
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Keywords: | Lung Frog Alveolar epithelium Mucus layer Scanning electron microscopy Transmission electron microscopy |
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