Protozoans Flashcards
(21 cards)
Bull’s eye clean amoeba (centrally located karyosome w/ evenly distributed chromatin)
E. histolytica (troph)
Eccentrically located karyosome w/ unevenly distributed peripheral chromatin
E. coli (troph)
Pseudopods are finger-like and moves one at a time to produce progressive directional movement
E. histolytica (troph)
There are several pseudopods coming out several times which produces a non-progressive & non-directional
E. coli (troph)
Cross-eyed cyst (blot-like karyosome)
E. nana
Contains achromatic granules
I. butschlii
All have cystic stage except for
E. gingivalis
All inhabit the intestine except
E. gingivalis
All are commensal (non-pathogenic) except for
E. histolytica
Most frequent parasite encountered in urine
T. vaginalis
Exhibits Brownian movement/Hakansson phenomenon
Dientamoeba fragilis
Cyst that possess a clear anterior hyaline knob
Chilomastix mesnili
Is a pear-shaped troph with 4 flagella & a structure bordering the cytosome resembling a “shepherd’s crook”
Trophozoite that contains siderophil granules within its axostyle
Trichomonas vaginalis
A stage present in hemoflagellates that can only be seen in arthropod’s midgut?
Epimastigote
Culture medium for leishmania & trypanosoma
Novy-Nicole-McNeal Medium
5 conditions which can make a person be resistant to malaria
- Fy (a-b-)
- M-N-
- G6PD deficiency
- Hemoglobinopathies
- Thalassemia
Exhibit maltese cross appearance
Babesia
Most common form of Blastocytis hominis
Vacuolar form
What stain is used for Pneumocystis jiroveci
Gomori’a methanamine silver nitrate
Giemsa & Iron hematoxylin
Shows partial positive staining with acid-fast stain
Microsporidia
