At this level of the buccal cavity the opening into the cytopharynx is not seen. Pharyngeal vesicles accumulate at the ends of the cytopharyngeal lamellae and are present under the basal bodies of the membranelles. The alveolar sacs are still present at this level. TEM taken on 7/29/67 by R. Allen with Philips 200 operating at 60kV. Neg. 9,000X. The raw negative was scanned with an Epson Perfection V750 Pro and this high resolution image is best used 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.
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