primary host

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Related to primary host: Giardia lamblia


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.

primary host

the host in which a parasite becomes sexually mature and usually spends most of its life cycle.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
yanoniella from China and Japan, and all of them form galls on their primary host plant Rhus chinensis.
Quartz precipitation and dissolution delay the time at which temperature rapidly decreases from 700 to 200[degrees]C by 0.3 ka in a system with a primary host rock porosity of 0.1 compared to an identical system without quartz precipitation and dissolution.
Once the malware has been installed on the primary host, the malicious code is then spread to any USB drive connected to that machine.
Sheep can be the intermediate host for four different tapeworms in the United Kingdom; their primary host is generally the dog (or fox) and they can lead to significant losses due to partial or complete rejection at slaughter.
Effect of the primary host for production of both sexes on the mating interaction in an autoparasitoid species.
Keith acted as the primary host, while the Republic of Telly duo were on hand to offer comic relief - or at least they were supposed to be.
"The Baltimore checkerspot's primary host plant is found in wetlands, and wetlands are disappearing," says Dearie Bowers, professor of ecology and biology at the University of Colorado--Boulder.
Murdoch University is the primary host and organiser of the event, in collaboration with all Western Australian universities--including Curtin University, Edith Cowan University, the University of Notre Dame and the University of Western Australia.
The European wild rabbit is the primary host of Rh.
The causative agent is introduced to the dog (the primary host) through the faeces of livestock.
Infection depends on contact between the primary host species and a susceptible animal.

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