Optical tranversal section, showing the . The thin, ely visible floating extensions are made of . Furthermore, filamentous bacteria colonies are attached. indicates 50 µm.
Sample from the Lake Constance (vicinity of Bodman). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
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Wolfgang Bettighofer, www.protisten.de.