Ultrastruktureller Nachweis von zwei Myofibrillentypen in den Muskelfasern des Rattenzwerchfells |
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Authors: | W. G. Forssmann A. Matter |
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Affiliation: | (1) Ecole de Médecine, Institut d'Histologie et d'Embryologie, Genève, Schweiz |
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Abstract: | Summary The ultrastructure of the diaphragm of the rat was examined with reference to the myofibrillar structure. In longitudinal sections, 2 types of myofibrils were identified, analogous to the image of myofibrils in frog twitch and slow fibres. The thin muscle cells of the rat diaphragm contain myofibrils corresponding to the myofibrils of frog slow muscle, the thick muscle cells contain myofibrils corresponding to the myofibrils of frog twitch muscle cells. The significance of these types of muscle fibres of the rat diaphragm will be discussed in the light of physiological properties in a further study.
Mit Unterstützung des Schweizerischen Nationalfonds für die Wissenschaftliche Forschung. |
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