Protozoa: Flagellates Flashcards
Giardia lamblia (troph)
falling leaf motility
2 nuclei
Flagella: 4 lateral, 2 ventral, 2 caudal
Sucking disks
pear/spoon shaped
Giardia lamblia (Cyst)
Nucleus: 4, located at one end
Features: axoneme, median bodies, shrinkage of cytoplasm
Chilomastix mesnili (troph)
stiff, rotar motility
1 nucleus
Flagella: 3 anterior, 1 in cytosome
Features: prominant cytostome.
“shepards crook”
Chilomasatix mesnili (Cyst)
Nucleus: 1
Features: cytostome (clear area)
shepards crook
lemon shaped
Dientamoeba fragilis (Troph)
nonprogressive motility
pseudopodia
1-2 nuclei
nonvisible flagella
granular and vacuolated cytoplasm
Dientamoeba fragilis (Cyst)
NONE!
Trichomonas hominis (troph)
jerky, rapid movement
1 nucleus
3-5 anterior flagella
1 posterior flagella
undulating membrane across entire length
Trichomonas hominis (cyst)
NONE!
Trichomonas vaginalis (troph)
jerky, rapid movement
1 nucleus
3-5 anterior flagella
1 posterior flagella
undulating membrane across half of body
Trichomonas vaginalis (Cyst)
NONE!
Leishmania species (hemoflagellates)
Amastigote: differientiate from yeast by presence of nucleus and kinetoplast
Promastigote: infective form
Trypanosoma species (hemoflagellates)
trypomastigote:
large, subterminal/terminal kinetoplast
centrally located nucleus
undulating membrane
flagellum runs along undulating membrane, body at anterior end