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Rhizamoeba (rye-sa-me-ba), a free-living naked amoeba which may adopt a variety of body forms from limax (slug-like) to more or less discoidal, to an extended fan-shape as here. Margins of the cell give rise to irregular thin pseudopodia. Nuclei round with central nucleolus. Phase contrast.
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Rhizamoeba (rye-sa-me-ba), a free-living naked amoeba which may adopt a variety of body forms from limax (slug-like) to more or less discoidal, to an extended fan-shape as here. Margins of the cell give rise to irregular thin pseudopodia. Nuclei round with central nucleolus. The tuft of fine filaments is the uroid. Phase contrast.
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Rhizamoeba (rye-sa-me-ba), a free-living naked amoeba which may adopt a variety of body forms from limax (slug-like) to more or less discoidal, to an extended fan-shape as here. Margins of the cell give rise to irregular thin pseudopodia. Nuclei round with central nucleolus. Phase contrast.
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An important feature of determination are filamentous appendages on the uroid (see inset). Scale bar indicates 50 µm. Sample from the pond Hegne Moor situated in the vicinity of Lake Constance. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA).