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13 Cards in this Set
- Front
- Back
Amoeba: Entamoeba Histolytica
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Cyst ingested, sexual transmission and passed in feces
-intestinal parasite |
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Flagellates: Giardia
-Lamblia -intestinalis -duodenalis |
-Intestinal parasite
food contamination with infective cysts, passed in stool with trophozoite -classical to see steatorrhea |
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Flagellates: Trichomonas
hominis= tenax= vaginalis= |
=intestinal
=oral =urogenital -trophozoite in secretions, no cysts (can't acquire outside) |
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Amoeba flagellates: Naegleria Fowleri
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causes PAM: primary amoebic meninge encephalitis!!!
-Cyst in water, trophozoite is infectious!! enters through olfactory dx: CSF |
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Amoeba Flagellates: Acanthamoeba culbertsoni
Balamuthia mandrilaris |
enters through lower respiratory causes GAE, eye infections
-trophozoite is infectious dx: cysts + trophozoites in tissue |
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Haemiflagellates
Trypanosoma gambiense= trypanosoma rhodesiense= |
"tsetse fly"
=west africa =east africa -sleeping sickness dx: blood smear, CSF (trypomastigote) |
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Haemoflagellates
Trypanosoma cruzi |
reduviid bug- America
-Chagas dz "naughty bug" dx: amastigote found in tissue biopsy |
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Haemoflagellates- Leishmania
tropica= brasiliensis= donovanii= |
=dermal/cutaneous form
=mucocutaneous form =visceral form (worst) phlebotamine sandfly dx: blood smear |
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Cilia: Balantidum coli
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=intestinal parasite
(ONLY human ciliate) cyst ingested dx: feces (trophozoites can invade colon wall) |
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Sporozoa:
Cryptosporidium parvum/hominis Cyclospora Cayetenensis= Isospora belli= |
=found in swimming pools
-oocyst ingested -intestinal sporozoa dx: feces |
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Tissue Sporozoa:
Plasmodium sporozoa |
MALARIA
-mosquite definitive hose (sporogony) -anopholis female mosquito -sporozoite injected from ruptured cyst dx: trophozoite in blood smear |
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Tissue Sporozoa:
Babesia sporozoa |
-easily confused with malaria
-tick vector (ixodes) |
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Tissue Sporozoa:
Toxoplasma gondii |
definitive host: cat family
-ingested, organ transplant, accidental inoculation -transmission: cyst dx: serological, blood, tissue, amniotic fluid, CSF serum |