Small intestine villi

Small intestine villi

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Credit: R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL/SCIENCE PHOTO LIBRARY

Caption: Small intestine villi, fluorescence deconvolution micrograph. Fluorescent dyes have been used to highlight cellular structures and proteins: cell nuclei (blue), g-actin (red and pink), f-actin (green and yellow). This is a cross-section through several villi, the functional structures lining the walls of the intestines. The cell nuclei seen here are part of the columnar epithelium that forms the shape of a villus, and from this angle they form a ring around the central part (red) of each villus. Actin, a protein that is a major part of a cell's cytoskeleton, has two main forms: globular actin (g-actin) and filamentous actin (f-actin). This tissue sample is from the illeum section of the small intestine.

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Keywords: actin, anatomical, anatomy, biochemical, biochemistry, cell, cell biology, cell nuclei, cell nucleus, cells, cytology, dapi, deconvolved, digestion, digestive system, dye, fluorescence, fluorescence deconvolution, fluorescent, gut, histological, histology, human body, immunofluorescence, immunofluorescent, intestinal, light microscope, marker, micrograph, protein, small intestine, tissue, villus

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