Enteric Parasitology Photo Album Coccidia
HOME      CONTACT US      EQA PROGRAMS      SURVEY RESULTS      NEWSLETTER     SITE MAP

Contact us to obtain critiques older than 5 years.
Scroll down to find Critique number of older challenges and a brief description.
Some older archived critiques are included in this list, but CMPT advises visitors to also consult recent literature.
  Critiques are posted in format. Viewing requires the Acrobat Reader (free from Adobe).
Cyclospora oocyst iodine prep
0410-1 October 2004
Cyclospora cayetanensis oocyst 8-10 µm
( wet prep with iodine viewed with a 40x objective.)
 		 Cyclospora acid fast stain Cyclospora cayetanensis
(100 x acid fast stain)		 Cryptosporidium acid fast stain
Cryptosporidium sp. 4-6 µm (100 x acid fast stain)
Note size difference between Cyclospora and Cryptosporidium.   Click to enlarge
 Cryptosporidium, Cyclospora, and Isospora are coccidian parasites that inhabit the intestinal mucosa and cause diarrheal illness in humans.

They are best viewed in permanent smears stained with a modified acid-fast staining method.		 Isospora belli modified acid fast stain

I. belli sporulate oocyst. Modified acid fast stain.		 Isospora
Isospora belli
(20-30 µm long by
10-19 µm wide)
immature oocyst
Modified acid fast stain.  0707-2
Some of these images are courtesy of the Kansas State University web site.
   top     Page revised: April 11, 2012
INNOVATION,      EDUCATION,      QUALITY      ASSESSMENT,      CONTINUAL IMPROVEMENT