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Description
Upper panel shows a transmission electron micrograph featuring the nuclear envelope with the nuclear lamina seen here as a uniform layer between the inner nuclear membrane and more darkly staining blocks of heterochromatin in this human skin cell. The lamina appears to be discontinuous over the nuclear pore. Lower panel shows a thinner and more darkly staining lamina in a rodent Leydig cell. Figures 157 (upper, courtesy of George Szabo) and 158 from Chapter 4 (Nucleus) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. A PDF copy of the accompanying chapter is available on the ASCB's BioEDUCATE website.
Biological Sources
- NCBI Organism Classification
- Homo sapiens
- (human)
- Rodentia
- (rodents)
- Cell Type
- epidermal cell
- Leydig cell
- Cellular Component
- nuclear envelope
- ribosome
- glycogen granule
- nuclear lamina
- chromatin
- rough endoplasmic reticulum
- heterochromatin
- glycogen granule
Biological Context
- Biological Process
- nucleus organization
- nuclear transport
- chromatin organization
Attribution
- Names
- George Szabo
- Don W. Fawcett
- Publisheds
- ISBN 0721635849
- from: Don W. Fawcett M.D ‘The Cell' 2nd edition, W.B. Saunders Chapter 4 (Nucleus)
- Link
- ASCB BioEDUCATE Program
Grouping
This image is part of a group.Imaging
- Image Type
- film
- Imaging 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 | 898px | —— |
| Y | 1276px | —— |
*CIL – Cell Image Library accession number. Please use this to reference an image.