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Licensing
Public Domain: This image is in the public domain and thus free of any copyright restrictions. However, as is the norm in scientific publishing and as a matter of courtesy, any user should credit the content provider for any public or private use of this image whenever possible. Learn more
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*CIL – Cell Image Library accession number. Please use this to reference an image.

CIL:39156*  Cite 
Description

Cross section through the more anterior part of the oral region showing the four more loosely spaced rows of cilia making up the quadrulus and more compact cilia of the peniculi on the left hand wall of the buccal cavity. The indentation of the endoral membranelle lies to the right just above the buccal overture. The vestibulum bearing somatic ciliature connects the buccal cavity with the outside of the cell. The ribbed wall covers the upper right side of the buccal cavity. mac, macronucleus. TEM taken on 1/31/74 by R. Allen with Hitachi HU11A operating at 75kV. Neg. 5,850X.

Technical Details

Standard glutaraldehyde fixation followed by osmium tetroxide, dehydrated in alcohol and embedded in an epoxy resin. Microtome sections prepared at approximately 75nm thickness. 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/).

Biological Sources
NCBI Organism Classification
Paramecium caudatum
Cell Type
cell by organism
eukaryotic cell
Eukaryotic Protist
Ciliated Protist
Cellular Component
oral apparatus
Biological Context
Biological Process
oral apparatus organization
Attribution
Names
Richard Allen (University of Hawaii)
Citation
Digital Object Identifier (DOI)
doi:10.7295/W9CIL39156
Archival Resource Key (ARK)
ark:/b7295/w9cil39156
Grouping This image is part of a group.
Imaging
Image Type
transmission electron microscopy (TEM)
illumination by electrons
Image Mode
detection of electrons
film
Parameters Imaged
electron density
Source of Contrast
stain with broad specificity
Visualization Methods
stain with broad specificity
uranyl salt
lead salt
osmium tetroxide
Processing History
recorded image
film
Print from negative scanned for Photoshop.
Data Qualifiers
processed data
Dimensions
Spatial Axis Image Size Pixel Size
X 3901px 1.4nm
Y 4000px 1.4nm