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Cell functions - Motility - Protoplasmic streaming - Protoplasmic Streaming - Slipper Animalcule (Paramecium, Ciliata)
Protoplasmic Streaming - Slipper Animalcule (Paramecium, Ciliata)
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| Description |
In Paramecium, food vacuoles only form at one specialized region of the cell surface. These vacuoles detach from this mouth region and travel on a well defined pathway through the cytoplasm. This journey through the cytoplasm, which takes about thirty minutes, is termed cyclosis. the cyclic streaming not only conveys food vacuoles, but also mineral crystals of unknown function, here seen as bright objects with polarised illumination combined with time lapse cinematography.
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Sources
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Nahrungsaufnahme, Verdauung und Defäkation bei Paramecium K. HAUSMANN. Publ.: 1982. Col., com. ger. or engl., 125 m, 111/2 min.
IWF, Göttingen: D 1457
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Abbreviations
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Order |
For further films please search the IWF media catalogue for "cell biology".
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