Giardia: Microscopy
  • Two trophozoites of Giardia lamblia.  Stain: iron hematoxylin.  Each cell has two nuclei with a large, central karyosome.  Cell size: 9 to 21 µm in length.
  • courtesy of the Division of Parasitic Diseases at the National Center for Infectious Diseases, Centers for Disease Control & Prevention
  • http://www.dpd.cdc.gov/DPDx/HTML/Giardiasis.htm