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Saccharomyces cerevisiae plate
Saccharomyces cerevisiae type of eukaryote
fungus
Saccharomyces cerevisiae y/m
yeast - has buds instead of hyphae, smooth
Saccharomyces cerevisiae classification basis
sexual reproduction
Saccharomyces cerevisiae # of cells
unicellular
diseases caused by Saccharomyces cerevisiae
“yeast infections” or candidiasis caused by Candida albicans
Saccharomyces cerevisiae transmission
Endogenous; member of the normal microbiome but can overgrow if one is immunocompromised or taking antibiotics that kill good bacteria but leave the yeast behind to flourish
Saccharomyces cerevisiae signs/symptoms
irritation, itching; inflammation at infection site
Saccharomyces cerevisiae diagnosis
finding budding yeasts in samples
Saccharomyces cerevisiae treatment
azoles
Rhizopus stolonifer plate
Rhizopus stolonifer type of eukaryote
fungus
Rhizopus stolonifer y/m
mold - has hyphae instead of buds
Rhizopus stolonifer classification basis
sexual reproduction
Rhizopus stolonifer # of cells
multicellular
Rhizopus stolonifer disease
mycosis - a disease caused by fungi
Rhizopus stolonifer trasmission
inhalation of spores
Rhizopus stolonifer signs/symptoms
systemic mycoses - coughing and/or skin rashes
cutaneous/subcutaneous mycoses - skin rashes and irritation
Rhizopus stolonifer diagnosis
Finding budding yeasts/pseudohyphae or encapsulated spores in skin scrapings or tissue biopsies
Rhizopus stolonifer treatment
azoles
toxoplasma gondii slide
toxoplasma gondii lifecycle stages
cyst and trophozoite
toxoplasma gondii classification basis
motility (movement)
toxoplasma gondii # of cells
unicellular
toxoplasma gondii disease
Toxoplasmosis– which is transmitted by cats and is dangerous to humans if it crosses the placenta
toxoplasma gondii transmission
ingesting or inhaling cysts from cat poop; cross-placental transmission to fetuses
toxoplasma gondii signs/symptoms
some have no symptoms; some may have flu-like symptoms, but can cause miscarriage in pregnant woman
toxoplasma gondii diagnosis
finding cysts in tissue samples, trophozoites in blood smears, antibody tests
toxoplasma gondii treatment
Anti-protozoals (pyrimethamine)
plasmodium smear (ring form)
plasmodium type of eukaryote
protozoa
plasmodium lifecyle stages
cyst and trophozoite
plasmodium classification basis
motility
plasmodium # of cells
unicellular
plasmodium disease
malaria
plasmodium transmission
mosquitoes
plasmodium signs/symptoms
Waves of fever and chills that coincide with the parasite’s lifecycle
plasmodium diagnosis
finding trophozoites trapped in RBCs
plasmodium treatment
anti-protozoals like chloroquine
Saccharomyces cerevisiae slide
Amoeba proteus slide
Amoeba proteus type of eukaryote
protozoa
Amoeba proteus lifecycle stages
cysts and trophozoites
Amoeba proteus classification basis
motility
Amoeba proteus # of cells
unicellular
Amoeba proteus disease
Entamoeba histolytica – causes amoebiasis / amoebic dysentery
Amoeba proteus transmission
Drinking contaminated water containing cysts
Amoeba proteus signs/symptoms
bloody diarrhea
Amoeba proteus diagnosis
finding cysts in stool samples
Amoeba proteus treatment
Anti-protozoals like nitroimidazole
Giardia lamblia slide
Giardia lamblia type of eukaryote
protozoa
Giardia lamblia lifecycle stages
cyst and trophozoite
Giardia lamblia classification basis
motility
Giardia lamblia # of cells
unicellular
Giardia lamblia disease
Giardiasis
Giardia lamblia transmission
Drinking water contaminated filled with cysts. Cysts survive stomach acid and make it to intestine where trophozoites cause inflammation.
Giardia lamblia signs/symptoms
Greasy/shiny/floaty diarrhea
Giardia lamblia diagnosis
Finding cysts and trophozoites in stool sample
Giardia lamblia treatment
Anti-protozoals like nitroimidazole
Schistosoma egg slide
Schistosoma type of eukaryote
helminth (worm)
Schistosoma lifecycle stages
egg, larva, adult
Schistosoma classification basis
body shape
Schistosoma # of cells
multicellular
Schistosoma disease
Schistosomiasis
Schistosoma transmission
swimming in contaminated water where the larval form burrows into your skin
Schistosoma signs/symptoms
Itchy spots on the skin but also can cause damage to other organ systems.
Schistosoma diagnosis
Finding eggs in stool, urine, or tissue samples. Elevated eosinophil count.
Schistosoma treatment
Anti-helminthics like praziquantel
Schistosoma egg
Enterobius vermicularis egg slide
Enterobius vermicularis type of eukaryote
helminth (worm)
Enterobius vermicularis lifecycle stages
egg, larva, adult
Enterobius vermicularis classification basis
body shape
Enterobius vermicularis # of cells
multicellular
Enterobius vermicularis disease
pinworm
Enterobius vermicularis transmission
Contacting eggs from scratching itchy anal folds or from contaminated friends/family and ingesting them. Fecal-oral route.
Enterobius vermicularis signs/symptoms
itchy anus
Enterobius vermicularis diagnosis
finding eggs in anal folds
Enterobius vermicularis treatment
Anti-helminthics like albendazole
Taenia worm specimen
Taenia type of eukaryote
helminth (worm)
Taenia lifecycle stages
egg, larva, adult
Taenia classification basis
body shape
Taenia # of cells
multicellular
Taenia disease
tapeworm disease
Taenia transmission
Ingesting larval cysts called cysticerci in contaminated meat
Taenia signs/symptoms
Decreased appetite, weight loss, diarrhea, malnutrition
Taenia diagnosis
Finding eggs in the stool or elevated eosinophil count
Taenia treatment
Anti-helminthics like praziquantel
Ascaris egg
Ascaris type of eukaryote
helminth (worm)
Ascaris lifecycle stages
egg, larva, adult
Ascaris # of cells
multicellular
Ascaris disease
Ascariasis or intestinal roundworms
Ascaris transmission
Ingesting eggs from contaminated food or water
Ascaris signs/symptoms
Diarrhea, weight loss, intestinal blockages; can also migrate throughout the body and affect lungs
Ascaris diagnosis
Finding eggs in stool, high eosinophil count
Ascaris treatment
Anti-helminthics like mebendazole
Note
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