Para Lab - Quiz 1 Part 2 Flashcards
eukaryotic unicellular organisms
-possess nucleus, organelles and locomotory structures
protozoans
phyla in protozoans
sarcomastigophora
ciliophora
apicomplexa
subphyla of sarcomastigophora
sarcodina
mastigophora
protozoan stage
-vegetative (moving) stage
trophozoite
protozoan stage
-motile stage
trophozoite
protozoan stage
-found in watery and diarrheic stools (sensitive, easily destroyed if there’s no water)
trophozoite
protozoan stage
-resistant stage
cyst
protozoan stage
-non-motile
cyst
protozoan stage
-usually infective stage
cyst
protozoan stage
-stain: Lugol’s iodine
cyst
protozoan stage
-found in formed stool
cyst
the only pathogenic amoeba; invasive
- Entamoeba histolytica
-morphologically similar to Entamoeba dispar (non-pathogenic)
- Entamoeba histolytica
-causes amoebiasis or amebic dysentery (bloody diarrhea)
- Entamoeba histolytica
Diagnosis for amebiasis
Stool exam/ DFS
virulence factors of E.histolytica
Virulence factors:
• Lectin – for attachment
• Amebapores – form holes in tissue
• Cysteine proteinases – destroys tissue
commensal, non-pathogenic
-its early cystic stage is similar to E. histolytica
Entamoeba coli
amoeba of pigs and monkey
E. polecki
entamoeba with no cyst stage
E. gingivalis
small race of E. histolytica
-almost the same with E. histolytica but smaller
E. hartmanni
entamoeba that ingests WBC
E. gingivalis
entamoeba found in oral cavity (only entamoeba not found in large intestine)
E. gingivalis
– non-pathogenic amoeba
-very small, size like that of RBC
-
-
Endolimax nana
location of Endolimax nana
found in large intestine or colon
motility of Endolimax nana
motility of trophozoite: sluggish
appearance of cyst of Endolimax nana
cross eyed cyst
shape of cyst of Endolimax nana
oval
no. of nuclei of E. nana
4
does E. nana have peripheral chromatin
no
– amoeba of pigs
Iodamoeba butschlii
-with large glycogen vacuole (cyst stage)
Iodamoeba butschlii
pathogenicity of Iodamoeba butschlii
Non-pathogenic
motility of Iodamoeba butschlii
sluggish
G. lamblia belongs to what phyla
Phylum Sarcomastigophora
Subphylum Mastigophora
-infective stage of G. lamblia
mature cysts
-habitat of G. lamblia
small intestine
MOT of G. lamblia
ingestion (food or contaminated water)
causesGiardiasis, Traveler’s diarrhea
-causative agent of Gay Bowel Syndrome
G. lamblia
other names of G. lamblia
G. duodenalis
G. intestinalis
Diagnostic Tests for G. lamblia (#)
- DFS, FECT
* Beale’s String Test/Entero-string Test
shape of trophozoite of G. lamblia
-pear/pyriform shaped
appearance of trophozoite of G. lamblia
-appearance: old man’s face with glasses
motility of G. lamblia
falling-leaf motility
function of median bodies
energizing structures
function of axostyle
maintain structure and support
virulence factor of G. lamblia
ventral sucking disk
number of flagella of trophozoite of G. lamblia
-8 flagella (4 lateral, 2 caudal, 2 anterior)
describe wall of cyst of G. lamblia
double cyst wall
number of nuclei of cyst of G. lamblia
4
location of Chilomastix mesnili
small intestine
pathogenicity of Chilomastix mesnili
non-pathogenic
Cyst characteristic appearance of Chilomastix mesnili
American lemon or nipple shape
no. of flagella of trophozoite of Chilomastix mesnili
3 anterior flagella
- 1 flagella near the cytostome (mouth portion)
-
motility of Chilomastix mesnili
boring, corkscrew motility
structure in the cyst of C. mesnili with a shape like that of a shepherd’s crook
cytosomal fibril
