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Stentor coeruleus

caption The time lapse sequence with a period length of appr. 4 seconds shows process of defecation. Frame 2 shows the opening cytoproct with intact defecation vacuole membrane. At frame 3 defecation vacuole membrane has opened to release the waste. At frame 5 and 6 we see states of the slowly closing cytoproct. Collected from littoral region of a eutropic rain storage reservoir near Kiel (Schleswig-Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.

For permission to use of (high-resolution) images please contact postmaster@protisten.de.
Wolfgang Bettighofer, www.protisten.de.

author woelfib
copyright Creative Commons Attribution 3.0 CC BY-NC-ND
observation details click here
image sets   Marine and freshwater protist images