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

CIL:10927*  Cite 
Description

This electron micrograph is a cross section through a portion of an axon and its associated myelin wrap from the cochlear nerve of the cat. This high magnification view showcases the regular periodicity with which the myelin wraps the axon. Each dense line represents where the internal surfaces of the apposed Schwann cell membranes are in contact. The faint intraperiod lines are where the outer surfaces of the two membranes are in contact. This micrograph, by Enrico Mugnaini is Figure 15 from Chapter 1 (The Cell Surface) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D., and accompanies a lower magnification micrograph shown in Fig. 14 of this chapter. A PDF copy of the accompanying chapter is available on the ASCB's BioEDUCATE website.

Biological Sources
NCBI Organism Classification
Felis catus
Cell Type
myelinating Schwann cell
peripheral neuron
Cellular Component
myelin sheath
axon
Attribution
Names
Enrico Mugnaini
Published
ISBN 0721635849
Link
The Cell, 2nd Ed. by D.W. Fawcett
Citation
Digital Object Identifier (DOI)
doi:10.7295/W9CIL10927
Archival Resource Key (ARK)
ark:/b7295/w9cil10927
Grouping This image is part of a group.
Imaging
Image Type
transmission electron microscopy (TEM)
Image Mode
illumination by electrons
detection of electrons
Parameters Imaged
electron density
Source of Contrast
stain with broad specificity
Visualization Methods
osmium tetroxide
Data Qualifiers
processed data
Sample Preparation
Methods
crosslinking-fixative fixed tissue
Relation To Intact Cell
microtome-sectioned tissue
Dimensions
Spatial Axis Image Size Pixel Size
X 914px ——
Y 1260px ——