Method 1623
Giardia & Cryptosporidium
Knowledge Review: Giardia
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Is it Giardia? Check the characteristics observed in the photos which support why you think the organism(s) is(are) or is(are) not Giardia. Once you have decided, check the Yes or No box below. (Photos depict the same organism.)
1. Nuclei
2. Median Bodies
3. Axonemes
4. Atypical internal structure
5. One large nucleus observable on DIC
6. Multiple cells
7. Cytoplasm pulled away from wall
8. Incorrect shape
9. Correct shape
10. Brightly highlighted cell wall
11. Fluorescence intensity similar between the rim and interior
12. DAPI stained nuclei
13. Intense blue internal staining with DAPI
14. DAPI negative
15. Cell wall exhibits correct structure on DIC
Organisms for Knowledge Review

   Yes, it is Giardia.
   No, it is not Giardia.

   

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