Some tubules near a contractile vacuole which appear to be decorated with pegs similar to the spongiome of the CV of Paramecium. In Paramecium these pegs are known to be V-type proton pumps (V-ATPases). Standard glutaraldehyde fixation followed by osmium tetroxide, dehydrated in alcohol and embedded in an epoxy resin. Microtome sections prepared at approximately 75nm thickness. TEM taken on 3/2/69 by R. Allen with Philips 300. Neg. 12,500X. Bar = 0.5µm. A print of the negative was scanned and processed in Photoshop. This image is best used for qualitative analysis. A high resolution image (CIL:9253) is available for quantitative analysis. Additional information is available at (http://www5.pbrc.hawaii.edu/allen/).
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