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15-pmtr6758

Fig. 15: QF-DE of a completely crystallized trichocyst

A fracture of an apparently fully formed trichocyst (tric) showing that the body of paracrystalline material fills the organelles lumen and is bound to the membrane by a loose array of threads. The membrane, both its P-fracture face (P) and E-fracture face (E), has irregularly shaped pits where the threads may be linked to IMPs in the membrane so that chunks of membrane are removed during fracturing. dv, digestive vacuole. EM taken on 6/3/88 by C. Schroeder with Zeiss 10A TEM. Neg. 19,800X. Bar = 0.25µm.
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