Trichomonads Flashcards
genera with 3 anterior flagella
Tritrichomonas
has 4 anterior flagella
trichomonas or tetratrichomonas
has 5 anterior flagella
pentatrichomonas
etiologic agent of bovine trichomoniasis
Trichomonas foetus
lodges in the uterus and genitals of cow and preputial cavities of bulls
Trichomonas foetus
Transmission of T. foetus
coitus
embryonic death caused by T. Foetus occurs in how many days
50-80 days
treatmet for bulls infected with trichomonas foetus
dimetridazole, metronidazole
etiologic agent of feline tricomoniasis
Tritrichomonas foetus
Tritrichomonas foetus are commensals of what part of the body of pigs
Nasal passage, stomach, cecum, colon
etiologic agent of human trichomoniasis
Tritrichomonas vaginalis
Non-pathogenic Tritrichomonas species
T. suis, T. equi, T. eberthi
T. eberthi location
cecum of poultry
T. equi location
cecum and colon of horses
T. suis location
nasal pathways, GIT, largest pig trichomonads
etiologic agent of Avian trichomoniosis
Trichomonas gallinae
most common pathogenic protozoan infection of humans in industrialized countries
T. vaginalis
T. gallinae lodges in?
upper digestive tract
primary transmission of avian trichomoniasis
pigeon’s milk
primary lesions upon necropy of avian trichomoniasis
yellow buttons in upper digestive tract
avian trichomoniasis term in chicken
canker
avian trichomoniasis term in raptors
frounce
Lodges in the lower intestine and liver of chicken, turkey, guinea fowl
Trichomonas gallinarum
5 anterior flagella, seen in intestine of man & primates
pentatrichomonas
seen in cecum & colon of man and primates
Chilomastix C. mesnili
Histomonas meleagridis are located in what tissues/organs of turkey
cecal mucosa, liver parenchyma
H. meleagridis is flagellated in
cecal lumen
locomatory organ of H. meleagridis is pseudopodia in what organs or tissues
cecal tissue, liver
a cecal worm Histomonas is attracted to
Heterakis eggs
turkey is most vulnerable of black disease in what age
3-12 weeks
chickens between this age is vulnerable to black disease
4-6 weeks
disease caused by H. meleagridis
blackhead disease, enterohepatitis, or histomoniosis
What are the characteristics of Trichomonads?
- mucoflagellates
- 3-8 flagella
- one or more nuclei
- With one or two axostyles present
- Multiply by binary fission
- Cysts are produced in some forms
characteristics of family trichomonadidae
✓Pyriform in Shape
✓With three to five anterior Flagella
✓One posterior Flagellum
✓With undulating membrane
✓Cysts are not formed
✓With one nucleus and axostyles (prominent median
tube like strucuture)
✓Multiplies by longitudinal binary fission
