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  • Intestinal villi
  • Human small intestine showing villi. The cytokeratinin the cells is stained blue, the cell nuclei are stained red and the endothelial cells lining the blood vessels are stained green.
  • Villi in the small intestine
  • Human small intestine showing villi and glands. The cytokeratinin the cells is stained blue, the cell nuclei are stained red and the endothelial cells lining the blood vessels are stained green.
  • Human small intestine showing the columnar epithelium. The cytokeratinin the cells is stained blue, the cell nuclei are stained red and the endothelial cells lining the blood vessels are stained green.
  • Human small intestine showing villi and glands. The cytokeratinin the cells is stained blue, the cell nuclei are stained red and the endothelial cells lining the blood vessels are stained green.
  • Human small intestine showing villi and glands. The cytokeratin in the cells is stained blue, the cell nuclei are stained red and the endothelial cells lining the blood vessels are stained green.
  • Villi in the small intestine
  • Mouse colon infected with Citrobacter rodentium
  • Mouse colon infected with Citrobacter rodentium
  • Neuroendocrine cells in the small intestine
  • Goblet cells are packed full of mucous globules (blue), which they release to provide lubrication and protection to the inner surfaces of the intestine and the respiratory system among others. The mucous globules are condensed inside the goblet cell but expand hugely once they are released, absorbing water within 20 milliseconds. This rapid release occurs in response to lots of different stimuli and allows the mucous to get to work instantly.
  • A single enteropathogenic E. coli in the intestine
  • Gut
  • Villus from the small intestine
  • Villus from the small intestine
  • Inside a human bronchus
  • inside a human broncus
  • Inner surface of ileum
  • Cat cerebellum transverse section
  • Scarring the a detached retina
  • Villi in the small intestine
  • Villi and goblet cells in rat gut, LM
  • Leucoma on the tongue with fluffy surface
  • Unusual cell in the corneal stroma
  • Villus from the small intestine
  • Villus from the small intestine
  • Villi from the small intestine
  • Villus from the small intestine
  • Astrocytes and blood vessels of the retina, micrograph.