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Does nematodes require intermediate host?

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Created: 2022-06-06 12:30:14

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Typical life cycles are summarized in Figures 6-8. Organisms that contain the reproductive adult stages of nematodes are known as final or definitive hosts. Organisms that are required for the completion of a nematode life cycle but do not contain the final reproductive adult stage are known as intermediate hosts.


What parasite requires an intermediate host?

Table 2: Parasite and their intermediate host(s)ParasiteIntermediate HostTapeworm (Taenia solium)Humans, Cow, PigsSchistosoma mansoniFreshwater snails (Biomphalaria spp.)Toxoplasma gondiiMany mammals and birds

Which parasites do not have intermediate hosts?

The correct answer is Ascaris.

What are the hosts of nematodes?

Many mammalian-parasitic nematodes infect only one or a limited number of host species. For example, Strongyloides fulleborni kellyi is a human parasite, while Strongyloides stercoralis has a limited host range that includes humans, primates, and dogs (Figure 1A) [28].

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