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Description
Freeze-fracture preparation of the plasma membrane from an unspecialized area composed of Sertoli cells of the guinea pig testis. With the freeze-fracture technique, tissue is rapidly frozen and cracked to shear along zones of weakness. Cleavage of membranes occurs along the hydrophobic interior of the lipid bilayer to reveal views of a "p-face" (the outwardly-facing inner half of the membrane) and an "e-face" (the inwardly-facing outer half of the membrane), and a metallic replica is made of the fractured surface. Intramembranous particles, representing integral membrane proteins, appear as bumpy projections, and are prominent on the p-face, but also can be detected on the e-face. The particles on the p-face range in size from 6 - 9 nm. Figure 3 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:10898, Cavia porcellus, Sertoli cell. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J09P30GJ
Type
image
Identifier
ark:/20775/bb9494624r
Language
No linguistic content
Subject
Plasma membrane organization Intrinsic to plasma membrane Sertoli cell Plasma membrane Cavia porcellus Cell Image Library Group ID: 10550
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