Additional Parasites

Outline the life cycle of malaria parasites

sporocysts are transmitted by mosquiotes

they develop into merozoites in the liver cells

they then produce gametocytes

Which stage of giardia is the infective stage?

the cyst

Link the morphology of a giardia cyst and its infectious nature

thick protective wall means survival against stomach acid and survive outside the host

4 nuclei assists in rapidly forming trophozoites when in host

Associate the morphology of the trophozoite and its ability to cause pathology

ventral disk allows adhesion

flagella allows locomotion

Name the definitive and intermediate hosts for Toxoplasma gondii

Any warm blooded nucleated cell

What is the percentage of human population infected with toxoplasma goondi?

30-50%

How do the humans become infected with toxoplasma goondi?

tissue cysts in meat

direct contact with cat feaces

What does toxoplasma goondi do to enhance the success of its life cycle?

alters behavior

What gender of flukes is larger?

they are hermaphroditic

What pathology is commonly caused by the long-term liver fluke infection

inflammation and degradation of the bile ducts

How can liver fluke infection be prevented

dont eat raw fish

Where does the adult stage of Taenia solium locate and how pathogenic it is?

small intestine

adult stage relatively infectious as cannot infect tissues like larval stage can