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| The figure shows the beginning of the cytopharyngeal ribs of the ribbed wall (rw). The peristome (pi) is bordered on one side by the paroral kinety (pak) that has 2 rows of basal bodies, of which only one is ciliated. The peristome is a deep funnel shaped indentation that leads to the cytostome and on to the nascent food vacuole forming region. opk, oral polykineties; pek, perioral kineties; mac, macronucleus. EM taken on 6/13/69 by R. Allen with Philips 300 TEM. Neg. 4,270X. Bar = 1µm. |
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