secondary host

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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

in·ter·me·di·ate host

, intermediary host
1. one in which larval or developmental stages occur;
2. a host through which a microorganism can pass or which contains an asexual stage of a parasite.
Synonym(s): secondary host
Farlex Partner Medical Dictionary © Farlex 2012

secondary host

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Such a swimming response is typical for cercariae that infect pelagic secondary hosts, allowing them to maintain their vertical position in the water column so they can encounter potential hosts at different depths (Loy et al, 2001; Sukhdeo and Sukhdeo, 2004).
The second pertinent fact is that, although hormaphidid aphids only reproduce sexually on the primary host, the abundance, geographic distribution, and phenology of their secondary host is probably crucial to determining reproductive isolation.
In the climatic condition of our country Aphis nasturtii migrated to the secondary host - potatoes in the first decade of July, in the 2005 - 2008 period, the maximum flight took place from July 10 to 25.
The degree of population differentiation in relation to the genotype-by-environment interactions suggests that divergence onto secondary hosts from the ancestral agria cactus is ongoing and has produced the observed geographic variation in life histories.
bambusee, east Asian origin, has been reported previously from the Pourthiaea villosa (Rosaceae) as primary host in Japan and Arundinaria, Bambusa, Phyllostachys, Plejoblastus (Bamboos) as secondary hosts in Japan, China, Taiwan, Indonesia, Malaysia, Australia, India, Egypt, Italy, Spain, Portugal, Hawaii and U.S.A (Blackman and Eastop 1994, llharco 1995).
In aphids (Aphidomorpha), the host-plant is often revealed by the presence of a colony of wingless immatures and adults, but there is the added complication of primary and secondary hosts that need to be identified by studying the life cycle.
Studies stress different characteristics of reservoirs, namely, that infections in reservoir hosts are always nonpathogenic; any natural host is a reservoir host; the reservoir must be a different species; reservoirs are economically unimportant hosts; or reservoirs may be primary or secondary hosts (14-18).
Members of the genus Promuscidea are regarded as hyperparasitoids of other hymenopteran primary parasitoids and the coccids are thus their secondary hosts (Hayat, 1998).

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