Lab #3 Flashcards
What are the two groups of parasitic flagellated Protozoa
- Trichomonads and diplomonads
- Tyrpanosomatids
Where do trichomonads and diplomonads primarily live
GI and urogential tract
Are trichomonads heteroxenous or monoxenous
Monoxenous
How are trichomonads and diplomonad transmitted
Feces or genital secretions
Where do trypanosomatids live
Blood, lymph, tissue spaces
Are trypanosomatids heteroxenous or monoxenous
Heteroxenous
How are trypanosomatids transmitted
Hematophagus insects
Trichomonads or diplomonads: 1 nucelus
Trichomonads
Trichomonads or diplomonads: 2 nuceli
Diplomonads
Trichomonads or diplomonads: form thick walled cysts
Diplomonads
Which species of Trichomonads causes diarrhea in cats
T. Blagburni
What species of Trichomonads cause infertility, spontaneous abortion in cows
T. Foetus
Which species of trichomonads cause lesions in upper digestive and respiratory tracts of wild and pet birds
T. Gallinae
What species of trichomonad is this? Commonly causes diarrhea in cats
T. Blagburni
What species of trichomonad is this? Causes abortion and infertility in cows
T. Foetus
What species of trichomonad is this? Causes lesions to upper digestive and respiratory tracts of birds
T. Gallinae
Is Giardia a trichomonad or diplomonad
Diplomonad
What form of Giardia causes disease in cockatiels, parakeets and other small psittacine birds
G. Psittaci
What species of Giardia infect dogs, cattle and cats
G. Duodenalis
How many nuclei do mature Giardia cysts contain
4
Upon excystation of Giardia cysts how many trophozoites emerge
2
What species of Giardia is this, commonly infects birds
G, psittaci
What species of Giardia is this, commonly infects mammals
G. Duodenalis
What parasitic Protozoa can be detected in lateral flow immunoassays
Giardia and cryptosporidium
Trypanosomatid trophozoites have a single ___ and harbor an organelle called ___ that trichomonads and diplomats lack
Flagellum and kinetoplast
what species of trypanosoma is this, causes canine chagas disease
T. Cruzi
What is the vector of T. Cruzi
Triatomine (kissing) bugs
What are the two morphological forms of T. Cruzi
Trpomastigotes and amastigotes
Where do trypomastigotes and amastigotes reside in dogs
Macrophages and cardiomyocytes
What form of T. Cruzi is this
Trypomastigotes
What form of T. Cruzi is this
amastigotes
What is the most common species of Leishmania for domestic species
L. Infantum
What is the primary species infected with L. Infatum
Dogs
What is the vector for leishmania
Sandflies
L. Infantum is often diagnosed in dogs imported from
Southern Europe or South America
Autochthonus L. Infantum ingestion occurs in __from many eastern US states
Foxhounds
How can Leishmania be transmitted between dogs
Transplacentally or via contaminated blood, oral and genital secretions
What form of Leishmania is typically observed in macrophages in the skin, bone marrow and visceral organs
Amastigotes
Where do ciliates typically live
GI tract
Ciliates produced thick walled ___
Cysts
Are ciliates monoxenous or heteroxenous
Monoxenous
What serious entamoeba species that infects captive reptiles
E. Invadens
What does E. Invadens cause in reptiles
Fatal colitis and extra-intestinal infection
Describe the cysts of E. Invadens
Spheroid and contain 4 nuclei when mature
What form of entamoeba sometimes cause colitis in dogs and cats
E. Histolytica
What species does balatindium coli commonly infect
Swine
T or F: balatinidum coli is typically parasitic in swine
No, typically commensal
Describe the nuclei shapes of B. Coli
Kidney shaped macro nucleus and a spheroid micro nucleus
What are the two main groups of apicomplexans
- Coccidia and cryptosporidium
- Piroplasmids and haemosporids
Where do coccidia and cryptosporidium infect
GI tract
Where do piroplasmids and haemosporids typically infect
RBC and leukocytes
Are piroplasmids and haemosporids heteroxenous and monoxenous
Heteroxenous
Cryptosporidium and coccidia multiply asexually and produce ___
Oocysts
Are cryptosporidium monoxenous or heteroxenous
Monoxenous
Cryptosporidium commonly cause diarrhea in what species
Calves, dogs and cats
Are coccidia heteroxenous or monoxenous
Monoxenous and heteroxenous
What are the monoxenous species of coccidia
Cystoisospora, eimeria, isospora
What are the heteroxenous species of coccidia
Toxoplasma and neospora
The rapidly dividing ___ causing systemically disease- chronic toxoplasmosis in kittens
Tachyzoites
What is the main vector for piroplasmids
Ticks
What are the major haemosporids
Plasmodium, leucocytozoon, and haemoproteus
What is the preferred stain for cryptosporidium
Acid fast
What parasitic Protozoa is this, commonly infects dogs and can cause cutaneous or visceral disease
Leishmania Infantum
What parasitic Protozoa is this? Commonly infects reptiles. What are the dark purple circles
Entamoeba invadens Trophozoite
Purple circles are ingested erythrocytes
What parasitic Protozoa is this, commonly infects reptiles
E. Invadens cyst- note 4 nuclei
What is this parasitic Protozoa? It is typically a commensal bacteria found in pigs but can cause disease
Balantidium coli
Left: Trophozoite
Right: cyst
What parasitic Protozoa is this, that commonly causes diarrhea in cows
Cryptosporidium
What parasitic Protozoa is this that commonly infects chickens
Eimeria Tenella
What parasitic Protozoa is this that commonly infects cats
Cystoisospora felis
What parasitic Protozoa is this that commonly infects cats
Toxoplasma gondii
Left: oocyst
Right: Tachyzoites
What type of parasitic Protozoans are these? Which is on the left and which is on the right. How do you know
Left: babesia Bovis
Right: babesia Bigemina
Babesia Bigemina have large parasites in the RBC
What parasitic Protozoa is this? Infects a variety of mammals and is vectored by mosquitoes
plasmodium
