Term
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Definition
- Reservoir: maintain parasite and may be source of infection
- Intermediate: maintain parasite in asexual phase or allow development of larvae stage
- Definitive: maintains sexual stage adult parasite |
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Term
| Parasite cyst that is transmitted by eating undercooked meats. Cysts hatch in intestines and produce large numbers. |
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Definition
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Term
Protozoa amebas:
(amebas aka pseudopodia) |
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Definition
- Entamoeba histolytica
- Naegleria fowleri
- Acanthamoeba |
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Term
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Definition
- Giardia lamblia
- Trichomonas vaginalis
- Trypanosoma |
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Term
| Protozoa Sporazoans (obligate parasites with complex lie cycle): |
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Definition
- Plasmodium (malaria)
- Cryptosporidium
- Toxoplasma |
|
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Term
| trophozites with ingested RBCs: |
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Definition
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Term
| Major cause of amebic dysentery, causes FLASK SHAPED INTESTINAL ULCERS with raised edges and necrotic centers. Can spread through blood to liver, lungs, and brain causing abscesses, liver dysfunction, pneumonitis, and encephalitis. |
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Definition
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Term
| Amoebas that cause Meningoencephalitis and are identified as trophozoites in the CSF. Transmitted by water. |
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Definition
Naegleria fowleri
Acanthamoeba |
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Term
| Amoebic meningoencephalitis that occurs in HEALTHY IMMUNOCOMPETENT kids, comes from FRESH WATER PONDS OR LAKES: |
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Definition
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Term
| Free living amoeba that is common in environment, found in most water sources, natural and treated (hot tobs, pools, sewage, shower heads). Most people will be exposed and not become ill. |
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Definition
|
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Term
| contact lens wearers are at risk for this parasite amoeba eye infection. |
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Definition
| Acanthosis Keratitis- BRIGHT TROPHOZOITES WITH PSEUDOPODIA AND DOUBLE WALLED CYSTS |
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Term
| Flagellate parasite in tropical regions and camping places (Denver), PEAR SHAPED WITH HAIR LIKE FLAGELLA FOR MOTILITY. Attach to small intestine via SUCKING DISKS which cause flattening of microviilli. DIARRHEA AND MALABSORPTION> FOAMY FLOATING DIARRHEA AND WEIGHT LOSS. |
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Definition
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Term
| flagellated parasite that is HALF PEAR SHAPE, 4 ANTERIOR FLAGELLA, 1 LATERAL FLAGELLA, UNDULATING MEMBRANE, 2 AXOSTYLES ARRANGED ASSYMETRICALLY. |
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Definition
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Term
| Flagellated trophozite that DOES NOT HAVE CYST FORM, attaches to urogenital mucosa and causes inflammation and water discharge: |
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Definition
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Term
| Sporozoan parasite infection comes from cysts in CAT FECES or RAW PORK, usually asymptomatic or causes flue like symptoms and lymphadenopathy. Can be serious if pregnant> infects baby. In the immunosuppressed generalized parasitemia results causing brain, liver, and lung damage and often death. |
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Definition
Toxoplamsa gondii
this is an OBLIGATE INTRACELLULAR PROTOZOEA |
|
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Term
| tetrad of symptoms of T gondii in children: |
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Definition
- retinochoroiditis
- hydrocephalus
- convulsions
- intracerebral calcifications |
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Term
| Sporozoan obligate intracellular protazoan from female Anopheles mosquito. Immature trophozoites have RING FORM. Mature trophozoites have LARGE AMEBOID CYTOPLASMS WITH LARGE CHROMATIN AND YELLOW BROWNISH PIGMENT. |
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Definition
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Term
| Sporozoan parasite that is the most likely cause of large number in community having diarrhea. Found in untreated water and resists chlorination. It attaches to intestinal walls but DOES NOT INVADE. OOCYTES VISIBLE WITH ACID FAST STAIN. |
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Definition
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Term
| Name 3 round worms aka nematodes: |
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Definition
SEA
- Strongyloides
- Enterobius vermicularis
- Ascaris lumbricoides |
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Term
| Most common helminthic infection in United States: |
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Definition
Enterobius vermicularis= PIN WORM
disease of children in crowded environments
EGGS: OVOID AND ASSYMETRICALLY FLAT ON ONE SIDE
SCOTCH TAPE TEST |
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Term
|
Definition
adult worms live in small intestine
eggs circulate through lungs
- night time cough
- weight loss
- abdominal pain |
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|
Term
Nematode/round worm infection. Results in:
- red blotches on skin and itching
- bronchial pneumonia
- burning mid-epigastric pain
- nausea
- vomiting
- diarrhea and constipation
- anemia
- weight loss
- chronic blood dysentery
- can lead to serioius secondary bacterial infections |
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Definition
| Strongyloides stercoralis |
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Term
| what type of helminths cause ANEMIA? |
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Definition
HOOKWORMS= ANEMIA
- Ancylostoma duodenale
- Necator americanus |
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Term
| Parsitic trematode BLOOD FLUKE infection. Eggs become lodged in host tissues. GRANULOMATOUS INFLAMMATORY RESPONSES, PORTAL HYPERTENSION AND FIBROSIS. Spread by INTERMEDIATE HOST SNAILS. |
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Definition
SCHISTOSOMIASIS FROM:
- Schistosoma japonicum
- Schistosoma mansoni
- Schistosoma haematobium |
|
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Term
| Flat worm cestode infections: |
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Definition
FLAT WORM CESTODES= TAPEWORMS:
- Taenia solium
- Taenia saginata
- Diphyloobothrium latum (B12 deficiency) |
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Term
| tapeworm infection associated with eating RAW OR IMPROPERLY COOKED FRESH WATER FISH, SUBARCTIC AND TEMPERATE REGIONS: |
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Definition
| Diphyllobothrium latum> B12 deficiency |
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Term
| Cestode infection from fecal oral contamination or eating contaminated meat, cause of CYSTERICERCI: |
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Definition
|
|
Term
| what does Taenia solium look like? |
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Definition
| scolex of T. solium has 4 large suckers and a rostellum of two rows of large and small hooks |
|
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Term
| what does Tanei saginata look like? |
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Definition
| - scolex has 4 large suckers but NO rostellum or hooks |
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Term
| Cestode that causes HYATID CYSTS FULL OF CLEAR YELLOW FLUID. Liver cysts> jaundice. Brain cysts> intracranial pressure and epilepsy, may see anaphylactic response. |
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Definition
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