Block 1 Flashcards
Taenia solium
(Pork Tapeworm)
Intermediate Host: Pig
Definitive Host: Human
Adult worm location: Intestine
Diphyllobothrium latum
(Fish Tapeworm)
Intermediate host: copepod that infects fish
Definitive host: Human
Adult worm location: intestine
Echinococcosis
(Tapeworm)
Intermediate Host: Hoofed Animals, Humans
Definitive Host: Dogs
Adult worm location: mostly lungs and liver but can also be in the spleen, kidney, heart, bone and CNS
Schistosomiasis
(Blood Fluke)
Intermediate host: Snails
Definitive Host: Humans
Adult worm location: veins
Pinworm
Intermediate host: none
Definitive Host: Humans
Adult worm location: colon
Transmission: ingestion of egg (no direct person to person)
Whipworm
Intermediate host: none
Definitive host: Humans
Adult worm location: colonic mucosa
Transmission: ingestion of embryonated egg (no direct person to person)
Ascariasis
Definitive host: Humans
Adult worm location: upper intestine
transmission: ingestion of eggs from soil (no person to person transmission)
Hookworm
Definitive host: Humans
Adult worm location: small intestine
transmission: invasive of skin in contact with soil (no person to person transmission)
Strongyloides
Definitive host: Humans
Adult worm location: small intestine
transmission: filarifrom larvae that penetrates skin
Trichinosis
Definitive hosts: meat-eating mammals
Accidental host: Humans (dead-end host)
transmission: raw/undercooked pork containing larvae
Toxocariasis
Definitive Host: Dogs
Incidental host: Humans
transmission: ingestion of embroynated eggs from soil (no direct human to human)
Amebiasis
transmission: ingestion, fecal/oral, anal sex
