definitive host

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Related to definitive hosts: intermediate host, Secondary host
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  • noun

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the host in which the sexual reproduction of a parasite takes place

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References in periodicals archive ?
pacificus tapeworms among otariids is much wider than that in humans, which apparently represent incidental, atypical definitive hosts.
The adult tapeworm releases eggs into the feces of the definitive host and these eggs may persist for long periods in the environment (Eckert et al.
tentaculata, and 4 of them have been documented to cause pathogenic effects in their definitive hosts, such as aquatic birds and mammals (Mastitsky et al.
The definitive hosts of the cestode are predatory mammals, most often members of the dog family.
After leaving snails, cercariae penetrate and encyst in tadpoles of the genera Lithobates, Hyla and Pseudacris, which, when fed to snakes of the genus Nerodia, adult flukes occurred in the mouth and esophagus of definitive hosts 35 days later (Byrd 1935; Walker 1939; Schell 1985).
1) Warm-blooded animals are intermediate hosts, and cats are the definitive hosts.
Distribution patterns of definitive hosts, as well as intermediate hosts, may help explain the presence or absence of these helminths in the localities examined.
The worms were using hyena and large cats as definitive hosts and bovids as intermediate hosts.
Although previous reports document rat lungworms in the Gulf Coast region of the United States (5,11), little is understood regarding their prevalence within definitive hosts and their dispersal throughout the southeastern United States.
It has long been believed that deer are the only competent definitive hosts for E.
Members of the family Felidae are the only definitive hosts of this parasite and, thus, important in the epidemiology of the disease.
The adult worm develops in the mouth or esophagus of various piscivorous birds (herons, gulls, and bitterns) that serve as definitive hosts (Hopkins 1933; Hunter & Hunter 1933; Schell 1985; Aohagi et al.