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Chapter 17: Opercularia

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Fig. 0: Opercularia cell
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Fig. 1: Opercularia coarctata, cross section of cell
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Fig. 2: showing dual nuclei
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Fig. 3a: contractile vacuole and decorated spongiome
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Fig. 3b: decorated tubules enlarged
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Fig. 4: contractile vacuole pores and CV in systole
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Fig. 5: pellicular pores (coated pits) and pellicle
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Fig. 6: pellicle and Golgi stacks
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Fig. 7: myoneme bordered by ER
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Fig. 8: specialized ER tubules with surface decorations
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Fig. 9: myonemal layer bordered by ER
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Fig. 10: enlarged rails between ER and myonemes
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Fig. 11: decorated ER tubules next to myonemal sheet
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Fig. 12: scopula and aboral region of cell
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Fig. 13: fibrous cylinders in non-contractile stalk
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Fig. 14: striated fibers in non-contractile stalk
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Fig. 15: micronucleus and nuclear envelope
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Fig. 16: macronucleus and nucleoli
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Fig. 17: nuclear pores in face view
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Fig. 18: operculum and perioral kinetids
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Fig. 19: peristome and ribbed wall region
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Fig. 20: oral cilia and lamellae lining nascent vacuole tube
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Fig. 21: cytostome region connecting peristome to cytopharynx
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Fig. 22: discoidal vesicles at cytopharynx
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Fig. 23: peristome with microtubular ribbons and alveoli