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. 2019 Jun 1;30(12):1406–1424. doi: 10.1091/mbc.E19-01-0008

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© 2019 Van Itallie et al. “ASCB®,” “The American Society for Cell Biology®,” and “Molecular Biology of the Cell®” are registered trademarks of The American Society for Cell Biology.

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FIGURE 1: — Freeze fracture electron microscopic images of MDCK II cells reveals basal free ends and strand breaks; the apical surface showing microvillar stubs is at the top of the images. Some free ends are indicated by arrows. Bar 100 nm.