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32 Cards in this Set
- Front
- Back
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Toxoplasma Gondii
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- Sexual cycle completed in Cat
- Oocyte is passed in feces which sporulates in the environment and is then infective - Obligate intracellular nucleated |
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Cryposporidium Species
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- Diarrhea which can persist in Immunocompromised hosts
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Giardia Lamblia
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- Asymptomatic to protracted diarrhea
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Entamoeba Histolytica
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- Primary invasion of the colon
- Secondary abscess in the liver or sometimes in other organs |
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Naegleria Fowleri
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- Travels up the olfactory nerve to invade via the nasal mucosa to the brain
- Acute Meningitis |
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Trichomonas Vaginalis
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- Infects Vaginal epithelial cells and causes vaginitis
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Plasmodium Falcipari, Vivax, Ovale, and Malariae
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- Fever, musculoskeletal pains, severe headache, diarrhea
- P Falciparum capillary occlusions especially dangerous |
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Laishmania Species
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- unknown mechanism
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Trypanosoma Gambiense
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- Chancre at the site of bite
- relapsing fever and lymphadenopathy - CNS Infection which causes Sleeping Sickness |
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Trypanosoma Rhodesiense
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- Chancre at the site of the bite
- relapsing fever and lymphadenopathy - CNS infection which causes sleeping sickness |
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Trypanosoma Cruzi
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- Initial infection maycause systemic, cardiac, or CNS disease
- Followed by Intermediate infection, then mega-disease |
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Enterobius Vermicularis
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- Adults lodge in the rectum and the colon
- Pinworm is most common parasite of children - Anal pruritis from irresistible scratching - Restlessness |
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Trichuris Trichiura
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- Adults lodge in the rectum and the colon
- Light infections are asymptomatic - Heavy infection may cause diarrhea, tenesmus, and rectal prolapse |
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Ascaris Lumbricoides
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- Requires development in the Small Intestine, adults reside there
- Light infections are asymptomatic - occasional intestinal obstruction or migrations of adult in heavy infections |
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Necator Americanus
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- Adults exists in the small intestine
- light infections are asymptomatic - heavy infection plus malnutrition causes anemia and hypoproteinemia |
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Ancylostoma Duodenale
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- Adults exist in the small intestines
- Hookworm penetrates the skin - Light infection is asymptomatic - heavy infection plus malnutrition causes anemia and hypoproteinemia |
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Strongyloides Stercoralis
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- Adults exist in the small intestinal mucosa
- asymptomatic mucoid diarrhea with malabsorption - potentially fatal in immunocompromised host from autoinfection |
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Dog or cat hookworm
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- Hookworm penetrates through intact skin and migrates through skin
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Toxocara Canis
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- Ingested ova hatch into larvae which invade other organs
- IgE induced Eosinophilia - Hepatosplenomgaly - Occasional retinal granuloma from larval migration |
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Trichinella Species
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- Adults cause GI disturbances
- larvae cause muscle pains, ocular edema, and eosinophilia |
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Wuchereria Bancrofti
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- Larvae develop into adults in hosts
- Immune response to adults leads to scarring and elephantiasis |
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Brugia Malayi
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- Inflammatory response and scarring in lymphatics
- Obligate intracellular endosymbiont Wolbachia |
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Loa Loa
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- Calabar Swellings
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Onchocerca Volvulus
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- Larvae develop into adult worms in subcutaneous tissue
- Form tumor like Nodules - Microfilarial forms migrate through the eye and can cause blindness |
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Chlonorchis Sinensis
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- Adults exist in the intraheatic billiary tree and may cause hepatic or billiary disease
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Schistosoma Mansoni, Japnicum, or mekongi
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- Granulomatous reaction of deposited eggs in the intestinal venules or those trapped in live or other organs
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Schistosoma Haematobium
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- Granulomatous scarring in the bladder
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Paragonimus Westermani
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- Lung Lesions from migration through the lungs
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Taenia Saginata
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- Vague GI diturbances
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Taenia Solium
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- Vague GI disturbances
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Diphyllobothrium latum
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- Vitamin B12 deficiency
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Echinocossus Granulosus
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- Eggs mature to larvae which spread to many organs, causing cysts
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