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Fig. 6: retrieval of DV-IV membrane at cytoproct

The spent vacuole membrane in the process of undergoing vesiculation and retrieval from the cytoproct. The membrane is surrounded or embedded by a microfilamentous system. This system presumably provides forces that cause tubulation of the vacuole membrane and for pinching off of the membrane into the cytosol. One lip of the cytoproct ridge (cyp) is seen covered by the alveolar sac (al). Another spent vacuole (DV-IV) waits to be discharged from the cell. EM taken on 7/14/82 by R. Allen with Hitachi HU11A TEM. Neg. 14,250X. Bar = 0.25µm. Published in Eur. J. Cell Biol. 37:35-43, 1985.
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