final host during last stage of development of parasite: the adult reproductive stage
definitive host
The final host refers to the organism that harbors the mature or adult stage of the parasite. In the last stage of the development of the parasite, which is the adult reproductive stage, the final host plays a crucial role in the completion of the parasite’s life cycle.
For instance, in the case of many helminth parasites such as tapeworms or flukes, humans or other animals act as the final host where the adult stages of the parasite reside in the intestine or liver. The adult parasite’s primary goal is to reproduce and lay eggs that pass out of the final host’s body in feces, contaminating the environment to infect other hosts.
The adult stage of the parasite often has characteristics that are highly adapted to the final host’s physiology, allowing it to establish and thrive in the final host’s environment. During this stage, the parasite may also cause severe damage to the host’s tissues or organs, leading to various health complications.
In summary, the final host during the last stage of the development of a parasite is crucial in completing the parasite’s life cycle, allowing it to reproduce and further infect other susceptible hosts.
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