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| Tetrahymena cells that are not forming a digestive vacuole often have a tube-like extension of the cytopharyngeal membrane attached to the deep fiber that extends several microns into the cytoplasm. The acidosome-like vesicles are docked at this membrane tube. EM taken on 2/12/71 by R. Allen with Hitachi HU11A TEM. Neg. 16,250X. Bar = 0.5µm. |
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