Fully formed trichocysts are moved from the cytosol to the cell surface along microtubules. In this image a bundle of microtubules arising from the proximal end of the basal body lies against the trichocyst membrane along its entire length. The membrane, in grazing section, and the electron-transparent zone are seen. Transport appears to occur tip first along this bundle of microtubules and moves the trichocyst in a direction toward the origin of the microtubular bundle. TEM taken on 4/1/83 by R. Allen with Hitachi HU11A operating at 75kV. Neg. 14,750X. Bar = 0.25µm.
Standard glutaraldehyde fixation followed by osmium tetroxide, dehydrated in alcohol and embedded in an epoxy resin. Microtome sections prepared at approximately 75nm thickness. The negative was printed to paper and the image was scanned to Photoshop. This digitized image is available for qualitative analysis. Additional information available at (http://www5.pbrc.hawaii.edu/allen/).
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