Flagellates and ciliates Flashcards
An intestinal parasitic flagellate known as cause epidemic and endemic diarrhea
Giardia Intestinalis
other name of Giardia Intestinalis
Giardia Duodenalis, Giardia Lambia, Cercomonas intestinalis
Giardia Intestinalis lives in
Duodenum, jejunum, upper ileum of humans
who was the first person who discovered Giardia intestinalis in 1851
Antoine van Leeuwenhoek
DR. lamb called it
Cercomonas intestinalis
Giardia Intestinalis Trophozoite size
9-12 um long by 5-15um wide
G. Intestinalis shape in trophozoite
Pyriform or teardrop
a pointed posterior end
trophozoite
G. Intestinalis Cyst shape
ovoid
G. Intestinalis in Cyst size
8 to 12 µm
long by 7 to 10 µm wide
The young cysts have
___, while the mature cysts have __-
The young cysts have
two nuclei, while the mature cysts have four
Cysts are characterized by____retracted into
____
BY flagella retracted into
axonemes
trohozoite of G. Intestinalis The dorsal side of the organism is
____, while the ventral side is ___
The dorsal side of the organism is
convex, while the ventral side is concave
attributed to homosexual oro- anal practices called
Gay bowel syndrome
giardia intestinalis has ___ motility
falling leaf
giardia intestinalis commonly found in
Fluid stools
Infective stage of giardia intestinalis
Mature cyst
Excystation happen the
duodenum
in the life cycle of giardia intestinalis what will attach to the intestinal villi
trophozoites
There is
also excessive flatus with an odor of “rotten
eggs” due to _____
hydrogen sulfide.
The only known parasitic is
intestinal flagellate
incubation period
10-30 days
3 disease associated with giardia
Giardiasis, Travelers diarrhea, gay bowel syndrome
If the parasite is not
found in the feces, —–
may be done.
duodeno-jejunal aspiration
