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Exam 2
Parasitology- Coccida
23
Microbiology
Graduate
03/22/2013

Additional Microbiology Flashcards

 


 

Cards

Term
list the coccidia (3)
Definition
Crytosporidium parvum, Isospora belli, and Cyclospora cayetanensis
Term
Cryptosporidium parvum intestinal disease
Definition
primarily immunosuppressed
Term
Cryptosporidium parvum developmental stages
Definition
occur within a vacuole
Term
Cryptosporidium parvum autoinfection
Definition
significant role
Term
Cryptosporidium parvum oocysts
Definition
infective when passed
Term
Cryptosporidium parvum diagnosis
Definition
oocysts (4-6 uM) containing 4 sporozoites, MAF stains, immunassay kits (FA, EIA)
Term
Isospora belli disease
Definition
indistinguishable from infections with Cryptosporidium
Term
Isospora belli life cycle
Definition
occurs within cytoplasm of epithelial cells of small intestine
Term
Isospora belli oocyts
Definition
not infective when passed
Term
Isospora belli stains
Definition
modified acid fast, auramine-rhodamine, giemsa
Term
Cyclospora cayetanensis diarrhea
Definition
Prolonged but self-limited
Term
Cyclospora cayetanensis oocyts
Definition
8-10 uM
Term
Cyclospora cayetanensis stain
Definition
MAF
Term
Cyclospora cayetanensis fluroescence
Definition
auto
Term
Characteristics for Microsporidia
Definition
obligate intracellular parasites, several genera
Term
Microsporidia genera (5)
Definition
Encephalitozoon, Enterocytozoon, Nosema, Pleistophora, and Septata
Term
Microsporidia life cycle
Definition
infective spore ingested, transfers sporoplasm to host cell via polar filament, binary fission (schizogony) as well as sexual reproduction, rupture of host cell
Term
Microsporidia diagnosis
Definition
modified trichrome stain
Term
Microsporidia speciation
Definition
# of coils in polar filament, Septations in spore and Size
Term
Blastocystis hominis as a possible cause of diarrhea
Definition
Symptomatic person with >5 B. hominis/high power field & no other enteric pathogen
Term
Blastocystis hominis size
Definition
6-40 uM
Term
Blastocystis hominis nuclei
Definition
4
Term
Blastocystis hominis central body
Definition
large and pulled away from outer shell, nuclei on sides
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