Parasitology Flashcards
(35 cards)
Protozoa
An unicellular organism such as plasmodium (malaria$
Metazoa
Multicellular organisms example helminths
Endoparasite
A parasite that lives within another living organism
Host
The organism in or on which the parasite lives
Definitive host
The organism in which the adult of sexually mature stage of the parasite live.
Intermediate host
The organism in which the parasite lives during a period of it development.
Zoonosis
A parasitic disease in which an animal is normally the host but which also infects man.
Vector
A living carrier that transports a pathogenic organism from an infected to a non- infected host.
The vector that transmit malaria
Anopheles female mosquito
Where do you mainly see parasitic infections
Tropics, poverty, poor sanitation, and personal hygiene.
Helminths
Worms
Parasites chromosomes are
Well defined chromosome in a nuclear membrane
Parasite are divided into two kingdoms
Protozoa and metozoa
Giardia lamblia
World wide distribution, lines in small intestine and results in malabsorption
Entamoeba histolytica
May invade the colon and cause bloody diarrhea. Amoebic dysentery.
Cryptosporidium parvum
Seen in the immunocompromised
Cyclospora cavetanensis
Parasitises the small intestines mucosa and may cause diarrhea for several weeks
Balantidium Coli
A large motile ciliated parasite that lives in the colon of pigs , humans and rodents and can lead to colonic ulceration
Enterocytozoon bienusi
A microporidian that parasites the small intestines.
Leishmania is transported by
Sandfly
Sleeping sickness is caused
Tsetse fly
Truchuris
Whipworm
Ancylostoma and necator
Hook worms
Stongyloides
Threadworm
