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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 131

Klaus Hausmann; [On the Organization of the Contractile Vacuole of Pseudomicrothorax dubius (Ciliophora, Kinetofragminophorea, Hypostomatia)]. Arch.Protistenk 127:319-325, 1983

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The contractile vacuole of Pseudomicrothorax dubius is a relatively simple organelle without ampullae and connecting canals. The cycle of pulsation, which is lasting on the average 9 seconds, is described in detail. The 1-2 um thick spongiome consists of elements of the rough endoplasmic reticulum and of relatively smooth irregular tubules which are coated on the cytoplasmic face with globular structures. The 2 systems do not form a continuum as revealed by staining of the rough endoplasmic reticulum.