host (hōst)
1. an organism that harbors or nourishes 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 the organism in which a parasite passes its adult and sexual existence.
intermediate host the organism in which a parasite passes its larval or nonsexual existence.
paratenic host an animal acting as a substitute intermediate host of a parasite, usually having acquired the parasite by ingestion of the original host.
primary host definitive h.
reservoir host reservoir (3).
par·a·ten·ic host (p r  -t n  k)n. An intermediate host whose presence may be required for the completion of a parasite's life cycle but in which no development of the parasite occurs. |
paratenic host
an animal acting as a substitute intermediate host of a parasite, usually having acquired the parasite by ingestion of the original host; no development of the parasite takes place but the phenomenon aids in the transmission of infection. Called also transfer or transport host.
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