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| Opening to oral region at the anterior end of Coleps hirtus. Corrugated lips containing lamellae (l) surround the atrium. The oral region is bordered by cilia. Rods extend inward (see Figs. 12 and 13) from these cilia. Toxicysts and mucocysts lie in the cytosol. An algal cell, enclosed in a smooth membrane, and a symbiotic bacterium (bact) is also present. EM taken on 3/24/69 by R. Allen with Philips 300 TEM. Neg. 14,800X. Bar = 0.5µm. |
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