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50.4 MB (50.0 MB compressed)
4719 x 3732 pixels
39.9 x 31.5 cm ⏐ 15.7 x 12.4 in (300dpi)
MICROSCAPE / SCIENCE PHOTO LIBRARY MICROSCAPE / SCIENCE PHOTO LIBRARY
Small bowel epithelium. Transmission electron micrograph (TEM) of a section through the epithelial lining of a villus in the small bowel, showing the enterocyte cells. These cells form a simple columnar epithelial lining containing microvilli on the inner surface facing the lumen (inner space) of the small intestine. Microvilli significantly increase the cell membrane surface area to facilitate absorption of nutrients in the bowel. Enzymes made by the enterocytes are embedded in the microvillus membranes to digest a wide variety of macromolecules for absorption and processing by the cells. Magnification: x2,000 when printed 10 centimetres wide.
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