Comparative transmission electron micrographs (TEMs) of a cross-sectioned brush border in an intestinal enterocyte (left) and a kidney proximal tube (right). The microvilli of the brush border are more homogeneous, somewhat thicker and, essentially, arranged in a more regular way in the intestine. The glycocalyx is also more developed in the enterocyte.

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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, small, tem, tems, transmission, trilaminar, ultrastructure, white