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Fig. 46: Defecation - open cytoproct and food vacuoles

Upon vacuole/plasma membrane fusion the cytoproct lips (arrows) spread apart and the undigested contents are free to be expelled. Several food vacuoles (fv) are seen in this cell containing the contents of the axenic culture medium in various states of digestion. The mitochondria are localized under the cell surface for the most part. EM taken on 4/20/78 by R. Allen with Hitachi HU11A TEM. Neg. 6,000X. Bar = 1µm.
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