Source:http://linkedlifedata.com/resource/umls/id/C1167395
GO: Any organism in which another organism, especially a parasite or symbiont, spends part or all of its life cycle and from which it obtains nourishment and/or protection. [ISBN:0198506732],NCI: An organism that nourishes and supports another but does not benefit by the association; recipient of transplanted tissue or organ from a donor.