PARISITOLOGY Flashcards
Giardia lamblia
Flagellate
Spread: ingestion of contaminated feces water CYSTS
Signs: greasy stools, abd pain
Condition: Giardia
Trichomonas vaginalis
Flagellate
Spread: sexually transmitted
Signs: yellow foul smelling discharge, uria
Condition: Trichomoniasis
Leishmania species
Flagellate
Spread: sandfly bite; reproduces in hosts
Signs: skin sores/lesions, splenomegaly, hepatomegaly
Condition: Leishmaniasis
Trypanosoma brucii
Flagellete
Spread: Tsetse fly infects hosts cell and crosses blood brain barrier
Signs: lethargy, CNS involvement, continuous sleep = death
Condition: african sleeping sickness
Entamobea histolytica
Amoeba
Spread: ingestion of oocytes from food, water; cysts in feces
Signs: blood, mucous
Disease: amoebic dysentery
Acanthmoeba castellani
Amobea
Spread: nasal cavity route, found in lakes, pools, tape water, AC units
Signs: headache, fatal CNS necrotic lesions 95% death
Disease: amoebic encephalitis
Plasmodium species
Sporozoan
Spread: mosquitoes multiple in RBC
Signs: high temp, muscle pain
Disease: malaria
Toxoplasma gondii
Sporozoan
Spread: contaminated meat/water, CAT FECES
Signs: harms pregnant women; congenital infections can in newborn blindness, stillbirths
Disease: toxoplasmosis
Cryptosporidium species
Sporozoan
Spread: fecal, soil, water transmission
Signs: watery diarrhea; hard-shelled cysts
Condition: crypto
Ascaria lumricoides (round worm)
Helminth
Spread: feces of infected individual; soil transmitted
Signs: intestinal obstruction; bile duct obstruction
Disease: ascariasis
Taenia solium (tapeworm)
Helminth
Spread: consuming undercooked pork
Signs: encysts muscles, brain, liver, blockage
Disease: Pork tapeworm
Enterobius vermicularis (MOST PREVALENT) roundworm
Helminth
Spread: EGGS; person to person contamination; eggs hatch in human’s intestines
Signs: perianal pruritis
Schistosoma species
Helminth
Spread: hosted in sea snails burrows into skin of humans
Signs: granulomatous reaction and fibrosis in organs
Trichinella spiralis
Helminth
Spread: undercooked meat that contain infected CYSTS; small bowel invasion
Signs: CNS affected, GI bleeding
Condition: Trichanosis
