Cysticercosis is caused by swallowing eggs from T solium. The eggs are found in contaminated food. Autoinfection is when a person who is already infected with adult T solium swallows its eggs. This occurs due to improper hand washing after a bowel movement (fecal-oral transmission).
How is Diphyllobothriasis presented?
Most humans with diphyllobothriasis (all forms) are asymptomatic, and the most common presentation is passage of worm parts, which can be alarming. Many patients retrospectively report diarrhea or may present with symptoms of obstruction or even appendicitis.
What is the habitat of the cysticercus of Taenia solium?
The pork tapeworm has several different habitats depending on the stage in its life cycle. The preadult tapeworm and adult tapeworm can be found in the small intestine of a human host. The proglottid segments full of eggs are found in the host feces, and in the external environment where the feces are released.
What happens at the cysticercus development stage of Taenia solium?
Cysticercosis is infection with larvae of T. solium, which develops after ingestion of ova excreted in human feces. Adult worms may cause mild gastrointestinal symptoms or passage of a motile segment in the stool.
Is Taenia solium a nematode?
Pigs ingest tapeworm eggs, which develop into larvae, then into oncospheres, and ultimately into infective tapeworm cysts. An ingested tapeworm cyst grows into an adult worm in human small intestines. There are two forms of human infection….
| Taenia solium | |
|---|---|
| Species: | T. solium |
| Binomial name | |
| Taenia solium Linnaeus, 1758 |
Is cysticercosis a zoonotic disease?
Human cysticercosis is a neglected zoonotic disease caused by the larval stage of the parasite Taenia solium. This disease is responsible for severe health disorders such as seizures, and in some cases even death.