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| Contractile vacuole in diastole (filling phase). Decorated spongiome (ds) surrounds the CV. mac, macronucleus; mic, micronucleus; cp, cytopharynx; bbs, basal bodies of perioral membranelle. EM taken on 6/10/69 by R. Allen with Philips 300 TEM. Neg. 11,800X. Bar = 0.5µm. |
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