Lec 2 Flashcards
Bodonidae
2 flagella
Trypanosomatidae
1 flagellum
Tetramitidae
3 anterior flagella with 4th trailing flagellum
Trichomonadidae
3 to 5 flagella
Hexamitidae
6 or 8 flagella
Chilomastigidae
3 anterior flagella with 4th delicate flagellum
Give the 4 phyla of Kingdom Protista
Phylum Sarcomastigophora
Phylum Ciliophora
Phylum Microsporida
Phylum Apicomplexa
The Sub Phylum of Phylum Sarcomastigophora
Mastigophora
Give the 2 classes under Phylum Sarcomastigophora
Phytomastigophora
Zoomastigophora
This Class has chromatophores/plastids
Phytomastigophora
This Class does not have plastids
Zoomastigophora
Cytoplasmic structures that give color to cytoplasms
Chromatophores/Plastids
From what Family is:
Retortamonas intestinalis
Bodonidae
From what Family:
Trypanosomes
Trypanosomatidae
From what Family:
Leishmania
Trypanosomatidae
From what Family:
Enteromonas hominis
Tetramitidae
From what Family:
Trichomonas vaginalis
Trichomonadidae
From what Family:
Dientamoeba fragilis
Trichomonadidae
From what Family:
Giardia lamblia
Hexamitidae
From what Family:
Chilomastix mesnili
Chilomastigidae
Give the synonym(s) of:
Chilomastix mesnili
Cercomonas hominis
Chilomastix hominis
Give the synonym(s) of:
Giardia lamblia
Cercomonas intestinalis
Giardia intestinalis
Giardia duodenalis
It is actively motile with progressive movement
Dientamoeba fragilis
It has a boring and spiral forward movement.
Chilomastix mesnili
It has leaf-like motility.
Giardia lamblia
Has both trophozoite and cyst form:
A. Chilomastix mesnili
B. Giardia lamblia
C. Dientamoeba fragilis
D. A & B
E. B & C
D
Trophozoite:
- mononucleated
- pyriform/pear-shaped
Cyst:
- mononucleated
- lemon-shaped
Chilomastix mesnili
Trophozoite:
- 1 or 2 rosette-shaped nuclei
- no prominent flagella
Dientamoeba fragilis
Trophozoite:
- binucleated
- pyriform/pear-shaped
- axonemes
Cyst:
- 2 to 4 nuclei
- ellipsoid/oval
Giardia lamblia
Habitat of Giardia lamblia
Small intestine
Habitat of Chilomastix mesnili
Colon, cecal region of large intestine
Habitat of Dientamoeba fragilis
Appendix, cecum, upper colon
Infective stage/form:
Giardia lamblia
Quadrinucleated mature cyst
Infective stage/form:
Dientamoeba fragilis
Mature trophozoite
Infective stage/form:
Chilomastix mesnili
Mature cyst
Pathogenesis:
Giardia lamblia
Pathogenic: Giardiasis
Pathogenesis:
Chilomastix mesnili
Non-pathogenic
Pathogenesis:
Dientamoeba fragilis
Non-pathogenic
Uses giemsa stain, MIF stain, trichrome stain
Giardia lamblia
Uses iodine stain, Mayer’s hematoxylin, giemsa stain
Chilomastix mesnili
Uses giemsa stain, iron hematoxylin, trichrome stain
Dientamoeba fragilis
Mode of transmission is ingestion:
A. Giardia lamblia
B. Chilomastix mesnili
C. Dientamoeba fragilis
D. Trichomonas hominis
ALL
Mode of transmission:
Giardia lamblia
Ingestion
Mode of transmission:
Chilomastix mesnili
Ingestion
Mode of transmission:
Dientamoeba fragilis
Ingestion
Give the treatments for Giardiasis
Oral metronidazole
Tinidazole
Furazolidone
Quinacrine
Paramomycin
Another name for Trichomonas hominis
Pentatrichomonas hominis
Infective stage/form:
Trichomonas hominis
Mature trophozoite
Trophozoite:
- pyriform
- mononucleated
Trichomonas hominis, Chilomastix mesnili, Trichomonas vaginalis, Trichomonas tenax
Rapid forward movement with remarkable pseudopodial extension.
Trichomonas hominis
TRUE OR FALSE:
Trichomonas hominis has a cyst stage
FALSE
Known as 2nd most common intestinal flagellate next to Giardia lamblia
Trichomonas hominis
Stains for:
Trichomonas hominis
Iron hematoxylin
Trichrome
TRUE OR FALSE:
Trichomonas hominis is pathogenic while Trichomonas vaginalis is non-pathogenic.
FALSE
T. hominis = non-pathogenic
T. vaginalis = pathogenic
Trophozoite:
- mononucleated
- cork screw motility
Trichomonas vaginalis
This flagellate inhabits the male and female urogenital tracts.
Trichomonas vaginalis
These flagellates inhabit the cecal area of the large intestine.
Chilomastix mesnili
Trichomonas hominis
Dientamoeba fragilis
Sexual intercourse is the mode of transmission.
Trichomonas vaginalis
Infective stage/form:
Trichomonas vaginalis
Mature trophozoite
Pathogenesis:
Trichomonas vaginalis
Pathogenic: Trichomoniasis
Pathogenesis:
Trichomonas hominis
Non-pathogenic
Stains used on Trichomonas vaginalis.
Trichrome stain
PAP’s stain
Giemsa stain
Treatments for Trichomoniasis.
Metronidazole
Tinidazole
TRUE OR FALSE:
Tinidazole is the drug of choice for pregnant women.
FALSE
Correct answer: Metronidazole
It is the common name for Trichomonas Tenax.
Oral trichomonas
TRUE OR FALSE:
Trichomonas tenax is non-pathogenic.
TRUE
This Trichomonas sp. inhabits the mouth.
Trichomonas tenax
Infective stage/form:
Trichomonas tenax
Mature trophozoite
Mode of transmission:
Trichomonas tenax
- droplet
- kissing
- ingestion
- common use of dishes & drinking glasses
Specimen source of Trichomonas tenax.
- tatar between teeth
- gingival scraping
Specimen source of Trichomonas vaginalis.
- urine
- vaginal secretions & scraping
- urethral secretions & scraping
- cervical secretions & scraping