Podcast
Questions and Answers
Which type of host harbors the adult or sexually mature stages of the parasite?
Which type of host harbors the adult or sexually mature stages of the parasite?
Which of the following is true for the intermediate host?
Which of the following is true for the intermediate host?
Which example correctly identifies a definitive host relationship?
Which example correctly identifies a definitive host relationship?
In the life cycle of tapeworms, where are specific developmental stages completed?
In the life cycle of tapeworms, where are specific developmental stages completed?
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Which of the following processes occur in the intermediate host?
Which of the following processes occur in the intermediate host?
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Study Notes
Classification of Hosts
- Hosts are classified based on their role in the life cycle of the parasite.
Definitive Host (DH)
- A Definitive Host (DH) harbors the adult or sexually mature stages of the parasite.
- In a DH, sexual reproduction of the parasite occurs.
- Examples: man is a DH for Schistosoma haematobium, and female Anopheles mosquito is a DH for Plasmodium species malaria parasites.
Intermediate Host (IH)
- An Intermediate Host (IH) harbors larval or sexually immature stages of the parasite.
- In an IH, asexual reproduction of the parasite occurs.
- Examples: man is an IH for malaria parasites.
- Tapeworms and other parasitic flatworms have complex life-cycles, with specific developmental stages completed in a sequence of several different hosts.
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Description
Learn about the different types of hosts in the life cycle of parasites, including definitive hosts and intermediate hosts. Understand their roles and examples.
