PROTOZOA (Other Intestinal flagellates) Flashcards
Pear shape
Chilomastix mesnili trophozoite
Ovoid in shape
Chilomastic mesnili cyst
Stiff rotary movement
Chilomastix mesnili trophozoite
Lemon shape with clear hyaline knob in its anterior end
Chilomastic mesnili cyst
4 flagella
- 3 anterior extending
- 1 extending posterior
Chilomastix mesnili trophozoite
Well-defined cytostome at side of nucleus
Chilomastic mesnili cyst
Prominent cytostome with fibrils
Chilomastix mesnili trophozoite
Found in the large intestine
Chilomastic mesnili cyst
Spiral groove
Chilomastix mesnili trophozoite
MOT of Chilomastic mesnili cyst
ingestion of cysts
Curved posterior
Chilomastix mesnili trophozoite
Movement of Chilomastic mesnili cyst
Corkscrew
No cystic stage (ONLY Amoebaflagellate)
Dientameba fragilis trophozoite
infective stage of Dientameba fragilis
Trophozoite
Distinguishing feature of Dientameba fragilis
Irregularly round
Broad hyaline leaflike pseudopodia (multiple)
progressive motility
Fragmented karyosome (4 to 8) *tetrakaryosome
Binucleate condition
Jerky motion with 7-9 um (same size with RBC)
Enteromonas hominis
Distributed worldwide in warm temperature
Enteromonas hominis
infective stage of Enteromonas hominis
(Asymptomatic) cyst
Body flattened in one side
Enteromonas hominis trophozoite
Quadrinucleated (4 nuclei) with two at each opposite side
Enteromonas hominis cyst
Four flagella (3 anterior, 1 posterior)
Enteromonas hominis trophozoite
Can be seen on warm temperature, seen in crowded area (psychiatric hospital, poor sanitation and hygine)
Retortamonas hominis
Smaller (3-5 um); rarely reported in stool examination; non-pathogenic
Retortamonas hominis
infective stage of Retortamonas hominis
Cyst
Two anterior flagella
Retortamonas hominis Trophozoite
Lemon shape
Retortamonas hominis Cyst
Cytostome extending halfway with well-define fibril border
Retortamonas hominis Trophozoite
Two fused fibrils resembling bird’s beak nucleus
Retortamonas hominis Cyst