A view of the rough endoplasmic reticulum of Tetrahymena that sometimes forms large stacks or concentric circles from which other organelles are excluded. Peroxisomes lie nearby. EM taken on 6/21/67 by R. Allen with RCA EMU3F operating at 50kV. Neg. 18,800X. Bar = 0.5µm. The negative was printed to paper and the image was scanned to Photoshop. This digitized image is available for qualitative analysis. An unprocessed, high resolution version of this image (CIL:34617) is in the library and available for quantitative analysis. Additional information available at (http://www5.pbrc.hawaii.edu/allen/).
Standard glutaraldehyde fixation followed by osmium tetroxide, dehydrated in alcohol and embedded in an epoxy resin. Microtome sections prepared at approximately 75nm thickness. Additional information available at (http://www5.pbrc.hawaii.edu/allen/).
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