Exam 1 Flashcards
ID the organism and stage

B. coli
Trophozoite
*hint: macronucleus
ID the organism and stage

E. gingivalis
Trophozoite
Provide classification for:
Naegleria Fowleri Trophozoite
- 10-15 um
- 1 nucleus w/ halo
- Blunt pseudopoda [move fast]
ID the organism and stage

Endolimax nana
Trophozoite
ID this organism and its stage

E. hartmanni
Trophozoite
Main source of infection is the cyst-passing, asymptomatic carrier or chronic (persistence) patient. Infection in such individuals is called ___________ or chronic amoebiasis
luminar
ID the organism and stage

E. polecki
Cyst
ID the organism and stage

E. coli
Trophozoite
ID the organism and stage

Iodamoeba buetschlii
Trophozoite
Provide classification for:
E. Histolytica Trophozoite
- 20-30 um
- 1 well-defined nucleus w/ endosome (halo appearance)
ID the organism and stage

Endolimax nana
Cyst
*small size and up to 4 nuclei
As cyst matures, the _______ _______and _______ _______ disappear
glycogen vacuole
chromatoidal bodies
ID the organism and stage

B. coli
Troph
*oval shape, curved macronucleus, food vacuoles
ID the organism and stage

E. polecki
Cyst
*tiny endosome, blunt chrom. bars
ID the organism and stage

Endolimax nana
Cyst
ID the organism and stage

E. polecki
Trophozoite
Provide classification for:
E. Hartmanni Trophozoite
- 12-15 um
What are the 3 forms of Amoebiasis for E. histolytica?
- Hepatic
- Pulmonary
- Secondary :
- brain, heart, spleen
ID the organism and stage

Endolimax nana
Cyst
*small size and up to 4 nuclei
Provide classification for:
E. polecki Cyst
- 11-15 um
- 1 nucleus with tiny endosome
- Blunt chromatoidal bars
*2 nucleus is very rare*
ID the organism and stage

E. gingivalis
Troph
ID the organism and stage

Endolimax nana
Trophozoite
*tiny, vesicular nucleus with prominent endosome
Provide classification for:
Endolimax Nana Trophozoite
- 6-15 um
- Tiny, vesicular nucleus
- Large endosome
ID the organism and stage

Iodamoeba butschlii
Cyst
*oval shape, large glycogen-filled vacuole
ID the organism and stage

E. gingivalis
Trophozoite
ID the organism and stage

E. coli
Cyst
Provide classification for:
Acanthamoeba Trophozoite
- 25-40 um
- Nucleus w/ halo
- Spiky pseudopoda [move slow]
ID the organism and stage

E. histolytica
Cyst
Provide classification for:
B. coli Trophozoite
- 50-130 um
- Macronucleus
- 2 contractile vacuoles
- Pellicle under membrane
- Organism is more pointed at one end
ID the organism and stage

Endolimax nana
Cyst
Provide classification for:
Iodamoeba Buetshlii Trophozoite
- 5-18 um
- Large nucleus with Large prominent endosome
ID the organism and stage

B. coli
Cyst
Provide classification for:
E. coli Trophozoite
- 10-33 um
- 8 nuclei
- pointed bars
ID the organism and stage

E. hartmanni
Cyst
2 types of pseudopods?
- lobopod
- filopodia
ID the organism and stage

E. gingivalis
Troph
*may appear with RBC as well
ID the organism and stage

E. polecki
Cyst
*tiny endosome, blunt chrom. bars
ID the organism and stage

Iodamoeb buetschlii
Cyst
ID the organism and stage

Endolimax nana
Trophozoite
ID the organism and stage

B. coli
Cyst
*round shape, large curved macronucleus, cyst wall
ID the organism and stage

E. histolytica
Trophozoite
Trophozoites multiply by ________ __________ within the human’s gut. Numbers can bulidup very rapidly
binary fission
Provide classification for:
E. Gingivalis Trophozoite
- 10-20 um
- Numerous blunt pseudopoda
- Small endosome
- Food vacuoles
ID the organism and stage

E. coli
Cyst
ID the organism and stage

Iodamoeba butschlii
Troph
*prominent nuclear endosome, numerous cytoplasmic vacuoles
For the Organism, provide: Size + Features
E. histolytica Cyst
- 10-20 um
- 4 nuclei
- Round chromatoidal bars
For the Organism, provide: Size + Features
E. coli cyst
What environment?
- 10-33 um
- 8 nuclei
- Pointed chromatoidal bars
- Rotten
For the Organism, provide: Size + Features
Endolimax nana cyst
(except size)
What enviornment?
- n/a
- 4 nuclei
- No chromatoidal bars
- Oval cell
- Intestine
For the Organism, provide: Size + Features
E. hartmanni cyst
(size only)
- 5-9 um
For the Organism, provide: Size + Features
E. polecki cyst
What enviornment?
- 11-15 um
- 1 nucleus
- Tiny endosome
- Blunt chromatoidal bars
- Pig, monkey, human
Iodamoeba Butschlii cyst
(except size)
What environment?
- Large glycogen vacuole
- Intestine of pig/primate
For the Organism, provide: Size + Features
Naegleria fowleri cyst
What enviornment?
- 8-12 um
- Free-living or CNS via olfactory nerve
For the Organism, provide: Size + Features
Acanthamoeba cyst
What enviornment?
- 15-20 um
- Double wall
- Polygonal or spherical
- Free-living or Brain/eye
For the Organism, provide: Size + Features
B. coli cyst
What enviornment?
- 40-60 um
- contractile vacuole
- “double membrane”
- Intestine of human + others