40.5 MB (4.6 MB compressed)
4601 x 3080 pixels
38.9 x 26.2 cm ⏐ 15.3 x 10.3 in (300dpi)
CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Small intestine lining. Light micrograph of a section through the lining (mucosa) of the ileum, part of the small intestine, showing the numerous crypts of Lieberkuhn (purple). These invaginations of the mucosa lie between the intestinal villi (finger-like projections of the wall, not seen). They produce new cells by mitotic cell division, which mature and replace dead cells lost into the lumen (cavity) of the intestine. The crypts are composed of columnar enterocyte cells (purple) and mucus-secreting goblet cells (light blue). Trichrome blue stain. Magnification unknown.
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