Transmission electron micrograph (TEM) showing a cross-sectioned brush border of a kidney proximal tubule cell. In the kidney, the microvilli are less regular than in the intestinal brush, or striated, border. The bottom left inset shows the trilaminar plasma membranes of the microvilli.

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Photo credit: © JOSE CALVO / SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: -, actin, biological, biology, black, border, brush, cell, cytological, cytology, electron, filaments, glycocalyx, healthy, histological, histology, intestine, kidney, membrane, micrograph, microscope, microscopy, microvilli, monochrome, normal, plasma, proximal, tem, transmission, trilaminar, tubule, ultrastructure, white