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Paramecium and Other Ciliates: Richard Allen's Image Collection

Chapter 5: Paramecium multimicronucleatum - Buccal Cavity

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Fig. 1: freeze fracture of oral region’s left wall
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Fig. 2a: freeze fracture of membranelles of buccal cavity
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Fig. 2b: clay model of oral region
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Fig. 3: thin section of cytopharynx, cytostome and nascent DV
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Fig. 4: right, posterior end of cytopharynx
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Fig. 5: postoral microtubular bundles
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Fig. 6: right side of cytopharynx
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Fig. 7a: QF-DE of cytopharynx, cytopharyngeal ribbons and discoidal vesicles
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Fig. 7b: QF-DE of the continuation of the cytopharynx membrane from the plasma membrane
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Fig. 8: left side of cytopharynx with ribbons and discoidal vesicles
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Fig. 9: expanded view of buccal cavity and cytopharynx
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Fig. 10: detail of cytopharyngeal ribbons delivering discoidal vesicles
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Fig. 11: alveolar fingers contact the cytostomal cord
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Fig. 12: alveolar finger extending to cytostomal cord
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Fig. 13: cytopharynx region with discoidal vesicles and acidosomes
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Fig. 14: QF-DE of cytostomal cord
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Fig. 15: immunogold labeled centrin of cytostomal cord
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Fig. 16: filamentous reticulum in planar view under ribbed wall
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Fig. 17: origin site of cytopharyngeal ribbons
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Fig. 18: three vesicle types move along ribbons
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Fig. 19: QF-DE of cytopharyngeal ribbons and discoidal vesicles
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Fig. 20: QF-DE detail of discoidal membrane and bridging to microtubule
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Fig. 21: vesicles transported on one side of cytopharyngeal ribbons
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Fig. 22: serial section to Figure 21
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Fig. 23: acidosomes docked at the forming food vacuole
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Fig. 24: freeze fracture detail of the fluted cytopharynx membrane and acidosome impressions
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Fig. 25: QF-DE, transport of carrier vesicles along ribbons
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Fig. 26: QF-DE detail of carrier vesicles attached to microtubule
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Fig. 27: QF-DE of microtubular subunits and carrier vesicles
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Fig. 28: blowup drawing of section of left lip of cytopharynx
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Fig. 29: additional features of the left lip of the cytopharynx
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Fig. 30: ConA-labeled oral region including its development during division
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Fig. 31: Cytopharyngeal microtubular ribbons
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Fig. 32: Cytopharyngeal ribbons at a distance from the cytopharynx
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Fig. 33: Postoral microtubular bundles