Parasitology Flashcards Preview

Yr1 -S1 - Principles of Disease > Parasitology > Flashcards

Flashcards in Parasitology Deck (11)
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1
Q

Parasite

A

an organism that lives in another organism (host) and gets its food at the expense of the host

2
Q

Malaria

A

Tropical disease that causes most deaths globally

mosquito borne disease caused by a parasite

Plasmodium Flaciparum

3
Q

Protozoa that live in the human intestine

A

fecal-oral route

4
Q

Protozoa that live in the blood or tissue of humans

A

anthropod vector

5
Q

Malaria infections

A

sporozoites injected under skin by mosquito

travel through the blood and enter the liver

mature in liver and re-enter circulation as merozoites

invade red cells

6
Q

Amoebic Dystenery

A

Diarrhoea with blood/pus

entamoeba histolytica

trophoozoite ingest red cells by throwing out pseudopodia

7
Q

Leishmaniasis

A

infection by bite of sandflies

8
Q

Helminths

A

worms

9
Q

Nematodes

A

round worms

threadlike - found in children

ingested eggs hatch inside intestine

10
Q

cestodes

A

tapeworms

larval cysts ingested in meat

11
Q

trematodes

A

flatworms

flukes

fresh water - penetrate human skin (swimmers itch)

mature in liver into worms that migrate to the bladder - cause inflammation in bladder or intestinal wall