Licensing

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*CIL – Cell Image Library accession number. Please use this to reference an image.

CIL:11027^* Cite

Description

Transmission electron micrographs of Opossum spermatogonia showing different regions within the nucleolus. One region is more lightly staining and fine textured, the other denser and more coarsely textured.

Technical Details

These images are figures 132 (upper) and 133 (lower) from Chapter 4 (Nucleus) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. A PDF copy of the corresponding chapter is available on the ASCB's BioEDUCATE website.

Biological Sources

NCBI Organism Classification: Didelphimorphia
Cell Type: spermatogonium
Cellular Component: nucleolus; nucleus; nuclear envelope; nuclear chromatin

Biological Context

Biological Process: nucleus organization; RNA metabolic process; RNA metabolic process; nucleolus organization
Molecular Function: immunoglobulin secretion

Attribution

Names: Don W. Fawcett
Published: ISBN 0721635849
Published: from: Don W. Fawcett M.D ‘The Cell’ 2nd edition, W.B. Saunders Chapter 4 (Nucleus)
Link: ASCB BioEDUCATE Program

Citation

Digital Object Identifier (DOI): doi:10.7295/W9CIL11027
Archival Resource Key (ARK): ark:/b7295/w9cil11027

Grouping This image is part of a group.

Imaging

Image Type: film
Image Mode: transmission electron microscopy (TEM); detection of electrons
Parameters Imaged: electron density
Source of Contrast: differences in adsorption or binding of stain
Visualization Methods: uranyl salt; osmium tetroxide; lead salt
Processing History: Image extracted from .pdf file of 'The Cell'
Data Qualifiers: processed data

Sample Preparation

Methods: tissue in plastic embedment; osmium tetroxide fixed tissue; glutaraldehyde fixed tissue
Relation To Intact Cell: microtome-sectioned tissue

Dimensions

Spatial Axis	Image Size	Pixel Size
X	891px	——
Y	1270px	——