3.14/15 parasites Flashcards
(49 cards)
Host where parasite is in larval stage or has asexual reproductive phase
Intermediate or secondary host
Host where parasite is adult and/or has sexual reproductive phase
Definitive or final host
Life cycle in one host
Direct life cycle
Life cycle in multiple hosts
Indirect life cycle
Which parasite shifts th1 to th2 response
Flagellate
- Leishmania
What parasite goes into macrophages
Flagellate
- Leishmania
What parasite conceals it’s antigenic site with our proteins
Trematode
- Schistosome
What parasite has high amount of antigenic variation
Flagellate
- trypanosome cruzei
Infective: cyst
Diagnostic: trophozoite
Amoeba
Flagellate (Giardia only)
Ciliate
Types of Protozoa
Amoeba
Flagellates
Ciliates
Sporozoans/ apocomolexans
Fecal contamination
Ciliates
- balantidium coli
Contact with pigs causes transmission
Ciliates
- balantidium coli
Causes encephalitis in immunocompromised
Sporozoan / apocomplexan
- toxoplasma gondii
Can have an amastigote as a diagnostic
Flagellates
- trypanosoma brucei & cruzei
- leishmania
Cat is a reservoir
Sporozoans / apocomplexans
- toxoplasma gondii
Life threatening diarrhea in immuno compromised
Sporozoans / apocomplexans
- cryptosporidium
Uses Hb for nutrition
Sporozoans / apocomplexans
- plasmodium
Female anopheles mosquito as vector
Sporozoans / apocomplexans
Can have schizont and merizoites for diagnostic
Sporozoans / apocomplexans
- plasmodium
What uses pseudopodia for movement
Amoeba
What uses flagella for movement
Flagellate
What uses cilia for movement
Ciliates
What has an apical complex that penetrates into the host cell
Sporozoans / Apocomplexans
Transmitted via sandfly
Flagellates
- leishmania