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Description
Schwann cells in peripheral nerves secrete a layer similar to the basal lamina called the lamina externa, boundary layer, or basement membrane. In this micrograph, the lamina externa surrounds the Schwann cells that wrap around both myelinated and unmyelinated axons in a mixed nerve from cat pericardium. Arrows indicate several examples of the outer limit of the basal lamina. Myelinated axons can be distinguished from unmyelinated ones by presence of repeated dark radial rings. Figure 26 from Chapter 1 (The Cell Surface) 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. Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp) Fawcett, Don W. (2021). CIL:10950, Felis catus, peripheral neuron, myelinating Schwann cell. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0M61J20
Type
image
Identifier
ark:/20775/bb3658396s
Language
No linguistic content
Subject
Basement membrane organization Plasma membrane organization Extracellular structure organization Myelination in peripheral nervous system Plasma membrane Myelinating Schwann cell Peripheral neuron Basement membrane Extracellular region part Felis catus Cell Image Library Group ID: 10550
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