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| The contractile vacuole pore is supported on its cytosolic side by a coil of microtubules and other microtubules extend from the pore to the CV membrane (arrow). The plasma membrane and CV membrane cover the bottom of the pore. Bacteria reside in the chamber. EM taken on 2/14/72 by R. Allen with Hitachi HU11A TEM. Neg. 19,500X. Bar 0.5µm. |
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