OTHER TISSUE APICOMPLEXANS Flashcards
stain used for blood parasites
giemsa stain
Intraerythrocytic parasites that resemble Plasmodium spp.
Babesia spp
DH of Babesia spp
Ticks of Ixodes spp
IH of Babesia spp
Rodent
accidental IH/ dead end host of Babesia
Man
Babesia spp MOT
- Skin inoculation of Sporozoites (I.S) by ticks
- Blood transfusion/organ transfusion
hallmark for babesiosis
- pear shaped ring forms
- tetrads (maltese cross)
disease caused by Babesia spp.
Babesiosis/Piroplasmosis
red water fever
babesiosis/piroplasmosis
Oocysts are resistant to freezing, drying, and extreme environmental conditions but are killed by heating to 70°C for 10 minutes
Toxoplasma gondii
DH of T. gondii
Cats
IH of T. gondii
rodents and birds
true or false
man is not an accidental host
false; man is an accidental IH
T. gondii MOT
- Ingestion of tissue cysts from infected meat (IH)
- Ingestion of oocysts from cat’s feces
- Transplacental
Blood transfusion/Organ transplantation
primary diagnostic stage for T. gondii
serology
diagnostic stage of T. gondii
- serology
- tissue cysts (sac like) containing bradyzoites (slowly dividing trophozoites)
rapidly dividing trophozoites
tachyzoites
test that free individual
tachyzoites
test that free individual trophozoites
sabin-feldman dye test
disease caused by T. gondii
- toxoplasmosis
- congenital toxoplasmosis
- still birth
may have CNS involvement in an unborn child; important to pregnant
Toxoplasma gondii
causative agent of Lyme disease
ticks of Ixodes spp
