10 Questions
What is the intermediate host for Toxoplasma oocysts?
Mice and rats
Where do the sporozoites emerge from the mature oocyst?
Rodent's intestinal epithelium
What is the enteric cycle of Toxoplasma in the domestic cat characterized by?
Schizogony and gametogony within the mucosal epithelial cells of the small intestine
How does a cat typically acquire a Toxoplasma infection?
Ingesting tachyzoites and bradyzoites from tissue cysts in other animal's flesh
What happens after the sexual fertilization of male and female gametes in Toxoplasma oocysts?
Oocysts pass out in the feces
Which stage of Toxoplasma becomes infectious after developing in soil for 3–4 days?
Sporoblast
What is the infective form of Toxoplasma which can remain infective in moist soil for about one year?
Oocyst containing eight sporozoites
Where does the conversion of sporoblast to sporocyst occur?
In soil after 3–4 days
What occurs within mucosal epithelial cells of a cat's small intestine during gametogony?
Formation of male and female gametocytes giving rise to gametes
What is the role of rodents like mice and rats in the Toxoplasma infection cycle?
They serve as intermediate hosts, ingesting infected oocysts.
Learn about the life cycle of Giardia, a parasitic protozoan that causes giardiasis. Understand how the trophozoites multiply in the duodenum, feed on the mucosa, and can infect the common bile duct and gallbladder. Explore the process of encystation as trophozoites migrate to the large bowel.
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