Phylum: Sarcomastigophora (amoebas and flagellates) Amoebas (move by pseudopods) Flagellates (move by flagella)
Amoeba Pseudopods Nucleus Food vacuole p
Entamoeba histolytica Trophozoites of Entamoeba histolytica with ingested erythrocytes
TERMS Mastigote = flagella Promastigote: has single flagella Amastigote: has no flagella Kinetoplast: round mass of circular DNA
Giardia lamblia Trophozoites
Trichomonas vaginalis Trophozoite Undulating membrane
Winterbottom’s Sign
Trypanosoma brucei and cruzi Smaller posterior kinetoplast Trypanosoma cruzi Larger posterior kinetoplast American Trypanosomiasis “Chaga’s Disease” African Trypanosomiasis “Sleeping sickness”
Romana’s sign Swollen eye, seen in Chaga's disease.
Paramecium
Balantidium coli Trophozoites Cytostome
Blood Phase: Rings 0f trophozoites in RBCs
Toxplasmosis Trophozoites