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Small intestine villus

Small intestine villus

P520/0271

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Credit

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

Caption

Small intestine villus, fluorescence deconvolution micrograph. Fluorescent dyes have been used to highlight cellular structures and proteins: microvilli terminal web (yellow), cell nuclei (blue), g-actin (red), f-actin (green). Villi are the functional structures lining the walls of the intestines. The microvilli, the small structures covering the surface of a villus, are anchored to the surface by their terminal web. Microvilli absorb nutrients from digested food. 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). The cell nuclei seen here are part of the columnar epithelium that forms the shape of a villus.

Release details

Model release not required. Property release not required.

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