Studies on the velocity distribution of the protoplasmic streaming in the myxomycete plasmodium |
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Authors: | NoburÔ Kamiya Kiyoko Kuroda |
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Affiliation: | (1) Department of Biology, Faculty of Science, Osaka University, Osaka |
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Abstract: | Summary It was shown that the velocity distribution of the intracapillary streaming of protoplasm in a plasmodium ofPhysarum polycephalum is the same no matter whether the flow is spontaneous or whether it is induced artificially by external local air pressure applied to the plasmodium. Thus we conclude that the protoplasmic flow in the plasmodium is caused by local difference in endoplasm pressure. The view that the seat of the motive force responsible for the flow is located in the streaming protoplasm itself is untenable for this type of streaming. |
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