Image of the scopula, the stalk forming region at the aboral end of the cell body of Opercularia coarctata. A group of basal bodies each gives rise to a modified cilium that gives rise to a cylinder of striated fibrous 'straws' that occupy the lumen of the non-contractile stalk. This image shows a basal body of the trochal region, the end of the empty nascent food vacuole tube that is surrounded by lamellar microtubules that arise from the cytopharynx, the macronucleus, myonemes, and a perioral kinetid.
TEM taken on 6/10/69 by R. Allen with Philips 300 operating at 60kV. Neg. 11,800X. Bar = 1.0µm. A print of the negative was scanned and processed in Photoshop. This image is best used for qualitative analysis. A high resolution image (CIL:7333) is available for quantitative analysis. 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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