intermediate host

(redirected from intermediary host)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to intermediary host: paratenic host, reservoir host, final host

intermediate host

n.
An organism in or on which a parasite develops to an adult but not sexually mature stage.

intermediate host

n
(Zoology) an animal that acts as host to a parasite that has not yet become sexually mature

in′terme′diate host′


n.
the host in which a parasite undergoes development but does not reach sexual maturity.
[1875–80]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.intermediate host - a host that is used by a parasite in the course of its life cycle
host - an animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association
References in periodicals archive ?
The mayor put her arts committee to the task of designing costumes for mascots that would march in the parade: a freshwater snail (the animal that serves as an intermediary host for the schistosomiasis parasite), a fly, and, yes, a blob of poop.
Polio, like smallpox, has no intermediary host and can, therefore, be eradicated through induction of herd immunity.