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01h-vor710401-28

Fig. 1h: micronucleus and contractile vacuole’s opening to peristome

3 food vacuoles; 2 segments of the macronucleus; mic, micronucleus; perioral cilia; tips of “ribbed wall” along adoral side of the peristome (pi) that contain the lamellae; pak, paroral cilia; cv, contractile vacuole; tube or chamber containing bacteria linking the CV to the peristome; myonemes linking the perioral zone to the cell’s lateral pellicle. EM taken on 4/1/71 by R. Allen with Hitachi HU11A TEM. Neg. 2,150X. Bar = 2µm.
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