Friday, April 16, 2010

Opportunist

  • cause disease in people who are immunocompromised
Endogenous opportunist
Candida albicans
Morphology: yeast(blastospore), pseudohyphae(like links), true hyphae (have septa, paralel walls)


Candida albicans in rabbit kidney
very light stain

Candida albican in liver



Candida albican
this is a culture (most likely not tested)
Candida albican Chlamydospores
in starvation medium "corn meal agar test"
Candida albicans in sputum
over decolorized slide
Rhizopus in tissue
wide nonseptate hyphae
irregualr branching (90 deg)
Rhizopus in kidney
wide nonseptate hyphae
irregular branching
Pneumocystis carinii
cause pneumonia in AIDS patients
note the brown red blood cells
Pneumocystis carinii
Cryptocossus neoformans in tissue
has fuzzy coloring capsule
barrow base buddings
Extracellular
Mating type a & alpha
haploid dominant
Serotype: D (found in Europe) associate with AIDS& children in NYC

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