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CHAPTER 14 - GASTROINTESTINAL TRACT
Histology Guide
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MICROGRAPH

NAME
EM 036 Small Intestine
TISSUE
Small Intestine
IMAGE SIZE
4,238 x 5,098 pixels
82 MB
FILE SIZES
14,925 KB (grayscale)
14,571 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
nm
SOURCE
Stanley L. Erlandsen
Department of Genetics, Cell Biology and Development
School of Medicine
University of Minnesota
Minneapolis, MN

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EM 036 Small Intestine

Small Intestine

Scanning electron micrograph (SEM) of the interior surface of the duodenum. This lower magnification view shows the tight packing of the villi.

  • (blue) - evaginations of the intestinal epithelium (0.5 to 1.6 mm in length)
    • (yellow) - loose connective tissue that supports the epithelium and forms the core of the villi
  • Intestinal crypts - seen in profile on the cut surface
  • (purple) - dense irregular connective tissue that supports the mucosa (mucous membrane)
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