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definitive host

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
de·fin·i·tive host (d-fn-tv)
n.
A host in which a parasite develops to an adult or sexually mature stage. Also called final host.

definitive host
the host in which the infectious agent in question undergoes the adult and sexual stage of its reproduction. Called also final host.

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Prevalence of echinococcosis in definitive hosts subjected to fecal egg examination, ELISA coproantigen test, and PCR copro-DNA detection, Japan Positive samples (%) Species No.
Epidemiologic surveys of Echinococcus multilocularis in the definitive hosts by coproantigen detection between 1996-2000.
Foxes are frequently definitive hosts (adult stage), and small mammals are intermediate hosts (larval stage or metacestode).
 
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