A patient presents with symptoms of a parasitic infection caused by Taenia solium, a common pork tapeworm. The life cycle of this parasite involves both humans and pigs. In humans, the adult tapeworm resides in the intestines, where it can produce eggs that are excreted in the feces. These eggs can then be ingested by pigs, where they develop into larvae and form cysts in the muscle tissue. When humans consume undercooked pork containing these cysts, they become infected, and the cycle continues. In the life cycle of Taenia solium, which of the following best describes the role of humans?
Definitive host
Reservoir host
Intermediate host
Accidental host