ATLASINTESTINAL PARASITES (Protozoa)
      LOBOSEA Order: Amoebida

      ENDOLIMAX NANA

      nana1-ic

      E.nana: The identification of intestinal amoebae depends on the size and shape
      of trophozoites and cysts and on morphology and number of nuclei.
      Endolimax nana has a world-wide distribution and is considered
      an harmless commensal of the intestine.
      E.nana trophozoites are small (6-12 µm); the nucleus contain
      a large karyosome with a clear halo.


      		 By Dr. Marc Lontie
      nana2-ic E_nana1-ic

      E.nana: cysts are oval (6-10 µm) contain 4 small nuclei
      with a relatively large karyosome.
      Differentiation from Enteromonas hominis cysts is sometimes difficult.

      E_nana1: Endolimax nana: many cysts are visible,
      each with one to four nuclei.
      The cysts are smaller than 10 mm and contain four nuclei
      with a massive central karyosome.
      The two larger and darker cysts are Giardia lamblia
      (Lugol stain).

      E_nana1: Courtesy of Dr. Marc Lontie:
      Director of the laboratory of the
      Medisch Centrum voor Huisartsen,
      Maria Theresiastraat 63a; B-3000 Leuven, Belgium.


      By Daisy Zitova RNDr , Ph.D., Marek Bednar, MD, Ph.D. By Daisy Zitova RNDr , Ph.D., Marek Bednar, MD, Ph.D.

      nana3-ic            nana4-ic

      Endolimax nana: Oval and spherical cysts. 
      a) 2 visible nuclei; b) cyst with 4 visible nuclei. 
      Stained fecal film. Wheatley modification of Gomori‘s trichrome technique. 
      Objective 100 X