Parasites Flashcards
What is a parasite?
An organism that lives in a host organism and gets its food at the expense of this host
Through what route do protozoa that live in a human intestine infect the target cell?
Faecal-oral route
What is the bacteria involved in malaria?
A protozoan
What is a symptom of amoebae?
Diarrhoea with blood/pus
How does amoebae work?
Trophozoite ingests red cells bu throwing out pseudopodia
Where do adult helminth worms inhabit?
Small intestine
How do you detect helminth infection?
Ova of worms found in stool on microscopy
What is the definition of serology?
The scientific study of serum and other bodily fluids
How do you get a definitive diagnosis in parasitology?
Identification of parasites in host tissue or excretion through microscopy
Protozoa are what type of organism?
One-celled, microscopic
Through what route do protozoa that live in the blood or tissue of humans infect the target cell?
Arthropod vector
What is injected under the skin by mosquitoes during the progression of malaria?
Sporozoites
Where sporozoites mature?
In the liver
What is the name given to mature sporozoites?
Merozoites
What is the name given to the largest nematode in the human intestine?
Ascaris lumbricoides
