File:Giardiasis duodenum high.jpg

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Summary

Description

High magnification micrograph of a small bowel mucosa (duodenum) biopsy with giardiasis. H&E stain. Giardiasis is due to the flagellate protozoan Giardia lamblia.

The Giardia organisms are seen in the bowel lumen (bottom of image) and are:

  • Pale staining/translucent.
  • Size: 12-15 micrometers (long axis) x 6-10 micrometers (short axis) -- if seen completely.
  • Most of the Giardia organisms seen are semicircular or crescent shaped -- as the long axis of the organism is rarely in the plane of the (histologic) section.

The villi have interepithelial lymphocytes, but have a normal architecture.

See also

Source Own work
Author Nephron

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current01:26, 15 July 2009Thumbnail for version as of 01:26, 15 July 20094,272 × 2,848 (2.18 MB)Nephron{{Information |Description=High magnification micrograph of a small bowel mucosa (duodenum) biopsy with giardiasis. H&E stain. Giardiasis is due to the flagel

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