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Fig. 9: cytopharyngeal basket with microtubular rods and crests

The top of the cytopharyngeal basket showing a closed cytostome where food will be engulfed. In the lab Nassula was fed Phormidium inundatum, a cyanobacterium. Ingested food is seen in food vacuoles (fv) as intensely stained blobs which are in various stages of digestion. EM taken on 4/1/69 by R. Allen with Philips 300 TEM. Neg. 4,270X. Bar = 1µm.
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