10 Questions
What is the geographical distribution of Diphyllobothrium latum?
European Baltic countries and foci in America and Russia
What is the size range of adult Diphyllobothrium latum?
3-10 meters in length
What is the intermediate host for Diphyllobothrium latum?
First intermediate host: Cyclops (water flea). Second intermediate host: Fresh water fish.
What is the mode of infection for Diphyllobothrium latum?
Ingestion of raw or undercooked fish
What is the morphology of Diphyllobothrium latum's egg?
70x45 µm, oval, immature, and has operculated thick shell
What is the size range of adult Diphyllobothrium latum?
3-10 meters
Which host acts as the first intermediate host for Diphyllobothrium latum?
Cyclops (water flea)
What is the infective stage of Diphyllobothrium latum?
Plerocercoid larva
Where is the habitat of Diphyllobothrium latum?
Ileum and sometimes jejunum
What is the geographical distribution of Diphyllobothrium latum?
European Baltic countries and foci in America and Russia
Study Notes
Geographical Distribution
- Diphyllobothrium latum is found in the Northern Hemisphere, particularly in the lakes and rivers of Europe, Asia, and North America.
Size Range
- Adult Diphyllobothrium latum can range from 5 to 10 meters in length.
Intermediate Hosts
- The first intermediate host of Diphyllobothrium latum is the copepod crustacean.
- The second intermediate host is a fish, such as pike, trout, or perch.
Mode of Infection
- Humans are infected with Diphyllobothrium latum through the consumption of raw or undercooked fish containing the parasite.
Egg Morphology
- The eggs of Diphyllobothrium latum are oval-shaped, operculated, and approximately 60-70 μm in length.
Habitat
- Diphyllobothrium latum is found in freshwater lakes and rivers.
Infective Stage
- The infective stage of Diphyllobothrium latum is the plerocercoid stage, which is found in fish.
Test your knowledge of parasitic worms with this quiz on Diphyllobothrium latum, Taenia saginata, and Taenia solium. Learn about their diseases, geographical distribution, and adult morphology. Perfect for students of biology, medicine, or veterinary science.
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