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| Contractile vacuole (cv) in the opisthe of a dividing cell. This is presumably the mature CV of the original “mother” cell. Spongiome tubules (spo) form large regions of additional membrane on two sides of the CV. The CV contains membrane-like layers that may be lipid. fv, food vacuole containing expanded trichocysts of Paramecium. EM taken on 5/20/69 by R. Allen with Philips 300 TEM. Neg. 5,000X. Bar = 1µm. |
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