Intestinal Flagellates
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9/14/26
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10 Terms
what is shown in the image?
Chilomastix mesnili in trophozoite stage
what is shown in the image?
Chilomastix mesnili in cyst stage
what is shown in the image?
Giardia lamblia in trophozoite stage
what is shown in the image?
Giardia lamblia in cyst stage
what is shown in the image?
Trichomonas vaginalis in trophozoite stage
what are the characteristics of Giardia lamblia in cyst stage?
oval shape
smooth cyst wall
axonemes
4 nucleus (usually not all are visible in one plane)
(heat fixation causes retracted cytoplasm)
what are the characteristics of Trichomonas vaginalis in trophozoite stage?
single nucleus
undulating membrane
4 anterior flagella
axostyle
(no cyst stage since transmission is direct)
what are the characteristics of Giardia lamblia in trophozoite stage?
pyriform shape
2 nuclei with prominent endosomes
median bodies
flagella, axonemes
adhesive disk
what are the characteristics of Chilomastix mesnili in trophozoite stage?
pyriform shape
single nucleus
presence of cytosomal groove
3 anteriorly directed flagella, fourth flagellum that is recurved into cytosomal groove
what are the characteristics of Chilomastix mesnili in cyst stage?
lemon shape
single nucleus
“cap” at one end
axonemes and cytosomal groove