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 ?
Hotspots of trematode infections were recorded in the western basin of Lake Erie and Lake Oneida, where several species of exotic molluscs had a high prevalence of trematodes, and thus posed high risks of transmission of the parasites to definitive hosts.
Other filarioid nematodes live in their definitive hosts from 2->10 years (review by Gems 2000).
They do not, however, consume the organs from hunted pacas; instead, they typically feed the viscera to their dogs, which might become definitive hosts.
Occurrence of the parasite in moose depends on the presence of a competent definitive host and suitable aquatic snail intermediate hosts of the genus Lymnaea.
This behavior was thought to be a response by the nymphs to move out of the intermediate host into the gut of the definitive host, initiated by rough handling or death of the host (Riley & Self 1980).
The common life cycle of these parasites involve birds, humans, and other mammals as definitive hosts and a gastropod snail as the first intermediate host.
bovis, can share the same definitive hosts (humans or animals) and the same intermediate hosts, i.
To determine potential definitive hosts of the digenetic trematode, Bolbophorus damnificus, 2 American white pelicans (Pelecanus erythrorhynchos), 2 double-crested cormorants (Phalacrocorax auritus), 2 great blue herons (Ardea herodias), and 2 great egrets (Ardea alba) were captured, treated with praziquantel, and fed channel catfish (Ictalurus punctatus) infected with B damnificus metacercariae.
Sarcocystis species are generally not pathogenic for the definitive hosts, which include carnivores, domestic and wild omnivores, and humans.
Diagrams which were developed to depict the life cycle strategies of helminths infecting these two species of frogs as definitive hosts (Figs.