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Fig. 3: trichocysts docked in lateral ridges

Another view of two trichocysts docked in the lateral ridges bordering one surface depression from which a cilium/basal body complex is positioned within the kinety. The trichocyst in the top ridge had been discharged and the trichocyst membrane is in the process of being transformed into tubules and vesicles. This cell was taken from a late stationary phase culture (day 15). EM taken on 3/21/80 by R. Allen with Hitachi HU11A TEM. Neg. 12,250X. Bar = 0.5µm.
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