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13-pmcvc800407-2

Fig. 13: sections of restricted ampullary necks near CV

This micrograph shows the restricted necks of three ampullae near the CV all of which are connected to the CV in diastole (as seen in Figures 10 and 11). All necks consist of the ends of the ampullae surrounded by microtubules and a mat of smooth spongiome tubules but no decorated spongiome. These are extensions of ribbons 3, 4, 5 and 6 in Figure 10, some 75 sections deeper into the cell. EM taken on 4/7/80 by R. Allen with Hitachi HU11A TEM. Neg. 10,250X. Bar = 0.5µm. Published in J. Protozool. 35:63-71, 1988.
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