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34 Cards in this Set
- Front
- Back
mycosis |
truefungal pathogens that exhibit some degree of virulence or withopportunistic pathogens that take advantage of defective host resistance |
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dimorphism |
switch from hyphal cells typical of themycelial or mold phase to yeast cells typical of the parasitic phase |
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4 true pathogens |
Histoplasma, blastomyces, coccidioides, paracoccidioides |
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true pathogens |
never found as normal flora |
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4 opportunists |
Candida albicans, Cryptococcus, Pneumocystis, Aspergillus |
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Epidermophyton |
pathogenic, filamentous fungi found in warm moist environments causes ringworm of feet |
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Tinea |
Ringworm Cutaneous, contagious infection on scalp, body, feet, or nails |
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Subcutaneous infection |
destroys tissue |
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Systemic fungal infection |
spread by spores, usually inhaled in lungs and spread through blood |
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amastigote |
without flagella |
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promastigote |
single flagellum |
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epimastigote |
The flagellatestage, which has a free anterior flagellum and an undulatingmembrane. |
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trypomastigote |
Thelarge, fully formed stage characteristic of Trypanosoma. |
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trophozoite |
active feeding stage found in hosts |
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cyst |
dormant, resistant body |
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Entamoeba histolytica |
causes amebiasis, or severe diarrhea |
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Naegleria fowleri |
Causes meningoencephalitis, trophozoites swim up nose through water |
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Balantidium coli |
only ciliated pathogen. erodes the intestines/Balantidiasis |
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Trichomonas vaginalis |
parasite that causes STD |
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Acanthamoeba |
causes eye infection |
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Giardia lamblia |
causes Giardiasis, or diarrhea. organisms is flagellated and has two nucleuses. |
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Trypanosoma brucei |
causes African Sleeping Sickness. Acquired by bite from Tsetse fly. |
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Trypanosoma cruzi |
Causes Chagas disease. Acquired by bite from the kissing bug |
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Plasmodium species |
Causes malaria, acquired by bite from Female Anopheles mosquito |
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Toxoplasma gondii |
Acquired from handling cat feces, will affect pregnant women's fetuses |
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helminths |
multicellular animals (worms) with specialized mouthparts and adaptations such asreduction of organs, protective cuticles, and complex lifecycles. |
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definitive host |
host that has adult form of parasite |
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intermediate host |
host that has larval (juvenile) form of parasite |
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Nematode |
Roundworm |
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Trematode |
Fluke |
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Cestode |
Tapeworm |
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Beef tapeworm |
Taenia saginata |
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Pork tapeworm |
Taenia solium |
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Insect vectors of disease |
mosquitos, fleas, lice, ticks |