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07-pt28191

Fig. 7: pt - cytoproct microtubules

Microtubules (mt) arise from the apex of the cytoproct (cyp) ridge and pass to the spent DV membrane (DV-IV). b-tubulin immunogold labeled. tric, trichocyst; tt, trichocyst tip. EM taken on 7/5/96 by R. Allen with Zeiss 10A TEM. Neg. 12,000X. Bar = 0.5µm
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