definitive host

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Related to definitive hosts: intermediate host, Secondary host

host

 [hōst]
1. an animal or plant that harbors and provides sustenance for another organism (the parasite).
2. the recipient of an organ or other tissue derived from another organism (the donor).
accidental host one that accidentally harbors an organism that is not ordinarily parasitic in the particular species.
definitive host (final host) a host in which a parasite attains sexual maturity.
intermediate host a host in which a parasite passes one or more of its asexual stages; usually designated first and second, if there is more than one.
paratenic host a potential or substitute intermediate host that serves until the appropriate definitive host is reached, and in which no development of the parasite occurs; it may or may not be necessary to the completion of the parasite's life cycle.
host of predilection the host preferred by a parasite.
primary host definitive host.
reservoir host an animal (or species) that is infected by a parasite, and which serves as a source of infection for humans or another species.
secondary host intermediate host.
transfer host one that is used until the appropriate definitive host is reached, but is not necessary to completion of the life cycle of the parasite.

de·fin·i·tive host

one in which a parasite reaches the adult or sexually mature stage.
Synonym(s): final host

definitive host

n.
An organism in or on which a parasite reaches sexual maturity.

definitive host

any host organism in which a parasite reproduces sexually. The female Anopheles mosquito is the definitive host for malaria. Humans are definitive hosts for pinworms, schistosomes, and tapeworms. Also called primary host. Compare dead-end host, intermediate host, reservoir host. See also host.

de·fin·i·tive host

(dĕ-fin'i-tiv hōst)
One in which a parasite reaches the adult or sexually mature stage.

definitive host

the host in which the infectious agent in question undergoes the adult and sexual stage of its reproduction. Called also final host.
References in periodicals archive ?
Indeed, infected gammarids are more preyed upon by the definitive hosts of parasites than are uninfected gammarids (Bethel and Holmes, 1977; Perrot-Minnot et al.
The risk for moose is a very narrow habitat which must include: 1) suitable intermediate hosts, 2) palatable emergent vegetation, and 3) overlapping use with infected definitive hosts.
The definitive hosts of the cestode are predatory mammals, most often members of the dog family.
Canines are the most common definitive hosts for Echinococcus and typically do not show clinical signs of infection.
1) The definitive hosts are snakes and other reptiles, while the intermediate hosts are carnivorous mammals and, rarely, humans.
1-3) The definitive hosts are dogs, foxes, and other carnivores.
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.
The spectrum of natural definitive hosts and their epizootiological importance in the transmission and maintenance of the parasite in Mexico should also be better documented.