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| The deep fiber is associated with the cytopharyngeal membrane (see Smith and Bunse, Trans. Am. Microsc. Soc. 102:264-271, 1983). This membrane has acidosome-like vesicles docked at its cytosolic surface. Enlargement of this membrane tube probably permits new vacuole (nfv) formation. The deep fiber is probably homologous to the postoral microtubular bundles of Paramecium. EM taken on 2/12/71 by R. Allen with Hitachi HU11A TEM. Neg. 11,250X. Bar = 0.5µm. |
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